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2008 South Dakota General Election Data
United States Senate Race by Precinct - November 4, 2008
| Race | County | Precinct | Party | Candidate | Votes | Percentage |
|---|---|---|---|---|---|---|
| United States Senate | Aurora | #1 | REP | Joel Dykstra | 118 | 39.20% |
| United States Senate | Aurora | #2 | REP | Joel Dykstra | 60 | 38.22% |
| United States Senate | Aurora | #3 | REP | Joel Dykstra | 93 | 26.35% |
| United States Senate | Aurora | #4 | REP | Joel Dykstra | 32 | 42.67% |
| United States Senate | Aurora | #5 | REP | Joel Dykstra | 45 | 31.03% |
| United States Senate | Aurora | #6 | REP | Joel Dykstra | 41 | 38.32% |
| United States Senate | Aurora | #7 | REP | Joel Dykstra | 95 | 26.32% |
| United States Senate | Aurora | #1 | DEM | Tim Johnson | 183 | 60.80% |
| United States Senate | Aurora | #2 | DEM | Tim Johnson | 97 | 61.78% |
| United States Senate | Aurora | #3 | DEM | Tim Johnson | 260 | 73.65% |
| United States Senate | Aurora | #4 | DEM | Tim Johnson | 43 | 57.33% |
| United States Senate | Aurora | #5 | DEM | Tim Johnson | 100 | 68.97% |
| United States Senate | Aurora | #6 | DEM | Tim Johnson | 66 | 61.68% |
| United States Senate | Aurora | #7 | DEM | Tim Johnson | 266 | 73.68% |
| United States Senate | Beadle | W1 | REP | Joel Dykstra | 398 | 33.81% |
| United States Senate | Beadle | W2 | REP | Joel Dykstra | 313 | 29.72% |
| United States Senate | Beadle | W3 | REP | Joel Dykstra | 287 | 31.43% |
| United States Senate | Beadle | W7-1 | REP | Joel Dykstra | 201 | 31.90% |
| United States Senate | Beadle | W7-2 | REP | Joel Dykstra | 244 | 36.36% |
| United States Senate | Beadle | W8-1 | REP | Joel Dykstra | 307 | 37.53% |
| United States Senate | Beadle | W8-2 | REP | Joel Dykstra | 237 | 32.51% |
| United States Senate | Beadle | 10 | REP | Joel Dykstra | 57 | 27.01% |
| United States Senate | Beadle | 11 | REP | Joel Dykstra | 53 | 32.32% |
| United States Senate | Beadle | 12 | REP | Joel Dykstra | 118 | 28.92% |
| United States Senate | Beadle | 14 | REP | Joel Dykstra | 76 | 39.58% |
| United States Senate | Beadle | 15 | REP | Joel Dykstra | 161 | 61.92% |
| United States Senate | Beadle | 17 | REP | Joel Dykstra | 75 | 24.92% |
| United States Senate | Beadle | 18 | REP | Joel Dykstra | 62 | 31.16% |
| United States Senate | Beadle | W1 | DEM | Tim Johnson | 779 | 66.19% |
| United States Senate | Beadle | W2 | DEM | Tim Johnson | 740 | 70.28% |
| United States Senate | Beadle | W3 | DEM | Tim Johnson | 626 | 68.57% |
| United States Senate | Beadle | W7-1 | DEM | Tim Johnson | 429 | 68.10% |
| United States Senate | Beadle | W7-2 | DEM | Tim Johnson | 427 | 63.64% |
| United States Senate | Beadle | W8-1 | DEM | Tim Johnson | 511 | 62.47% |
| United States Senate | Beadle | W8-2 | DEM | Tim Johnson | 492 | 67.49% |
| United States Senate | Beadle | 10 | DEM | Tim Johnson | 154 | 72.99% |
| United States Senate | Beadle | 11 | DEM | Tim Johnson | 111 | 67.68% |
| United States Senate | Beadle | 12 | DEM | Tim Johnson | 290 | 71.08% |
| United States Senate | Beadle | 14 | DEM | Tim Johnson | 116 | 60.42% |
| United States Senate | Beadle | 15 | DEM | Tim Johnson | 99 | 38.08% |
| United States Senate | Beadle | 17 | DEM | Tim Johnson | 226 | 75.08% |
| United States Senate | Beadle | 18 | DEM | Tim Johnson | 137 | 68.84% |
| United States Senate | Bennett | Allen | REP | Joel Dykstra | 35 | 12.59% |
| United States Senate | Bennett | Ward 2 | REP | Joel Dykstra | 32 | 24.43% |
| United States Senate | Bennett | Tuthill | REP | Joel Dykstra | 65 | 65.00% |
| United States Senate | Bennett | Vetal | REP | Joel Dykstra | 36 | 50.00% |
| United States Senate | Bennett | Ward 1 | REP | Joel Dykstra | 41 | 38.32% |
| United States Senate | Bennett | Ward 3 | REP | Joel Dykstra | 63 | 43.75% |
| United States Senate | Bennett | Martin Rural #26 | REP | Joel Dykstra | 58 | 40.00% |
| United States Senate | Bennett | Martin Rural #27 | REP | Joel Dykstra | 88 | 39.29% |
| United States Senate | Bennett | Allen | DEM | Tim Johnson | 243 | 87.41% |
| United States Senate | Bennett | Ward 2 | DEM | Tim Johnson | 99 | 75.57% |
| United States Senate | Bennett | Tuthill | DEM | Tim Johnson | 35 | 35.00% |
| United States Senate | Bennett | Vetal | DEM | Tim Johnson | 36 | 50.00% |
| United States Senate | Bennett | Ward 1 | DEM | Tim Johnson | 66 | 61.68% |
| United States Senate | Bennett | Ward 3 | DEM | Tim Johnson | 81 | 56.25% |
| United States Senate | Bennett | Martin Rural #26 | DEM | Tim Johnson | 87 | 60.00% |
| United States Senate | Bennett | Martin Rural #27 | DEM | Tim Johnson | 136 | 60.71% |
| United States Senate | Bon Homme | 1 | REP | Joel Dykstra | 254 | 38.54% |
| United States Senate | Bon Homme | 2 | REP | Joel Dykstra | 225 | 42.29% |
| United States Senate | Bon Homme | 3 | REP | Joel Dykstra | 195 | 24.59% |
| United States Senate | Bon Homme | 4 | REP | Joel Dykstra | 124 | 23.09% |
| United States Senate | Bon Homme | 5 | REP | Joel Dykstra | 272 | 40.12% |
| United States Senate | Bon Homme | 1 | DEM | Tim Johnson | 405 | 61.46% |
| United States Senate | Bon Homme | 2 | DEM | Tim Johnson | 307 | 57.71% |
| United States Senate | Bon Homme | 3 | DEM | Tim Johnson | 598 | 75.41% |
| United States Senate | Bon Homme | 4 | DEM | Tim Johnson | 413 | 76.91% |
| United States Senate | Bon Homme | 5 | DEM | Tim Johnson | 406 | 59.88% |
| United States Senate | Brookings | 1-Tompkins Alumni Center | REP | Joel Dykstra | 366 | 34.92% |
| United States Senate | Brookings | 2-First Lutheran Church | REP | Joel Dykstra | 350 | 29.59% |
| United States Senate | Brookings | 3-City Hall | REP | Joel Dykstra | 292 | 26.07% |
| United States Senate | Brookings | 4-Ascension Lutheran Church | REP | Joel Dykstra | 500 | 29.73% |
| United States Senate | Brookings | 5-Bethel Baptist Church | REP | Joel Dykstra | 679 | 31.20% |
| United States Senate | Brookings | 6-United Church of Christ | REP | Joel Dykstra | 501 | 31.65% |
| United States Senate | Brookings | 8-Medary Township | REP | Joel Dykstra | 228 | 33.28% |
| United States Senate | Brookings | 9-White Area | REP | Joel Dykstra | 240 | 33.71% |
| United States Senate | Brookings | 10-Bruce Area | REP | Joel Dykstra | 227 | 37.83% |
| United States Senate | Brookings | 11-Aurora Area | REP | Joel Dykstra | 211 | 32.26% |
| United States Senate | Brookings | 12-Sinai Area | REP | Joel Dykstra | 95 | 34.93% |
| United States Senate | Brookings | 13-Brookings Township | REP | Joel Dykstra | 90 | 35.16% |
| United States Senate | Brookings | 14-Volga Area | REP | Joel Dykstra | 438 | 37.18% |
| United States Senate | Brookings | 15-Laketon & Winsor Twps. | REP | Joel Dykstra | 51 | 28.33% |
| United States Senate | Brookings | 16-Elkton Area | REP | Joel Dykstra | 217 | 42.55% |
| United States Senate | Brookings | 1-Tompkins Alumni Center | DEM | Tim Johnson | 682 | 65.08% |
| United States Senate | Brookings | 2-First Lutheran Church | DEM | Tim Johnson | 833 | 70.41% |
| United States Senate | Brookings | 3-City Hall | DEM | Tim Johnson | 828 | 73.93% |
| United States Senate | Brookings | 4-Ascension Lutheran Church | DEM | Tim Johnson | 1182 | 70.27% |
| United States Senate | Brookings | 5-Bethel Baptist Church | DEM | Tim Johnson | 1497 | 68.80% |
| United States Senate | Brookings | 6-United Church of Christ | DEM | Tim Johnson | 1082 | 68.35% |
| United States Senate | Brookings | 8-Medary Township | DEM | Tim Johnson | 457 | 66.72% |
| United States Senate | Brookings | 9-White Area | DEM | Tim Johnson | 472 | 66.29% |
| United States Senate | Brookings | 10-Bruce Area | DEM | Tim Johnson | 373 | 62.17% |
| United States Senate | Brookings | 11-Aurora Area | DEM | Tim Johnson | 443 | 67.74% |
| United States Senate | Brookings | 12-Sinai Area | DEM | Tim Johnson | 177 | 65.07% |
| United States Senate | Brookings | 13-Brookings Township | DEM | Tim Johnson | 166 | 64.84% |
| United States Senate | Brookings | 14-Volga Area | DEM | Tim Johnson | 740 | 62.82% |
| United States Senate | Brookings | 15-Laketon & Winsor Twps. | DEM | Tim Johnson | 129 | 71.67% |
| United States Senate | Brookings | 16-Elkton Area | DEM | Tim Johnson | 293 | 57.45% |
| United States Senate | Brown | Washington St. Gym #1 | REP | Joel Dykstra | 454 | 29.60% |
| United States Senate | Brown | Washington St. Gym #2 | REP | Joel Dykstra | 241 | 25.64% |
| United States Senate | Brown | Primrose Gym | REP | Joel Dykstra | 451 | 30.64% |
| United States Senate | Brown | Courthouse Community Rm #4 | REP | Joel Dykstra | 178 | 25.46% |
| United States Senate | Brown | Alexander Mitchell Library | REP | Joel Dykstra | 203 | 32.17% |
| United States Senate | Brown | Senior Citizens Ctr | REP | Joel Dykstra | 498 | 32.21% |
| United States Senate | Brown | Super City Plaza #7 | REP | Joel Dykstra | 386 | 29.33% |
| United States Senate | Brown | Courthouse Community Rm #8 | REP | Joel Dykstra | 204 | 21.77% |
| United States Senate | Brown | Hub Area Vocational Ctr | REP | Joel Dykstra | 361 | 33.71% |
| United States Senate | Brown | School/Blind & Visually Impaired | REP | Joel Dykstra | 223 | 26.42% |
| United States Senate | Brown | Super City Plaza #11 | REP | Joel Dykstra | 293 | 27.31% |
| United States Senate | Brown | Northern Electric Coop | REP | Joel Dykstra | 255 | 37.01% |
| United States Senate | Brown | Columbia American Legion | REP | Joel Dykstra | 117 | 29.47% |
| United States Senate | Brown | Westport Town Hall | REP | Joel Dykstra | 88 | 29.43% |
| United States Senate | Brown | Avera-Midland Campus | REP | Joel Dykstra | 292 | 31.88% |
| United States Senate | Brown | School/Blind & Visually Impaired | REP | Joel Dykstra | 107 | 31.75% |
| United States Senate | Brown | Warner Community Center | REP | Joel Dykstra | 145 | 23.93% |
| United States Senate | Brown | Stratford Community Center | REP | Joel Dykstra | 63 | 24.32% |
| United States Senate | Brown | Groton Community Center | REP | Joel Dykstra | 271 | 24.93% |
| United States Senate | Brown | Claremont Fire Station | REP | Joel Dykstra | 43 | 20.67% |
| United States Senate | Brown | Hecla Community Center | REP | Joel Dykstra | 57 | 17.48% |
| United States Senate | Brown | Frederick Community Center | REP | Joel Dykstra | 63 | 21.88% |
| United States Senate | Brown | Washington St. Gym #1 | DEM | Tim Johnson | 1080 | 70.40% |
| United States Senate | Brown | Washington St. Gym #2 | DEM | Tim Johnson | 699 | 74.36% |
| United States Senate | Brown | Primrose Gym | DEM | Tim Johnson | 1021 | 69.36% |
| United States Senate | Brown | Courthouse Community Rm #4 | DEM | Tim Johnson | 521 | 74.54% |
| United States Senate | Brown | Alexander Mitchell Library | DEM | Tim Johnson | 428 | 67.83% |
| United States Senate | Brown | Senior Citizens Ctr | DEM | Tim Johnson | 1048 | 67.79% |
| United States Senate | Brown | Super City Plaza #7 | DEM | Tim Johnson | 930 | 70.67% |
| United States Senate | Brown | Courthouse Community Rm #8 | DEM | Tim Johnson | 733 | 78.23% |
| United States Senate | Brown | Hub Area Vocational Ctr | DEM | Tim Johnson | 710 | 66.29% |
| United States Senate | Brown | School/Blind & Visually Impaired | DEM | Tim Johnson | 621 | 73.58% |
| United States Senate | Brown | Super City Plaza #11 | DEM | Tim Johnson | 780 | 72.69% |
| United States Senate | Brown | Northern Electric Coop | DEM | Tim Johnson | 434 | 62.99% |
| United States Senate | Brown | Columbia American Legion | DEM | Tim Johnson | 280 | 70.53% |
| United States Senate | Brown | Westport Town Hall | DEM | Tim Johnson | 211 | 70.57% |
| United States Senate | Brown | Avera-Midland Campus | DEM | Tim Johnson | 624 | 68.12% |
| United States Senate | Brown | School/Blind & Visually Impaired | DEM | Tim Johnson | 230 | 68.25% |
| United States Senate | Brown | Warner Community Center | DEM | Tim Johnson | 461 | 76.07% |
| United States Senate | Brown | Stratford Community Center | DEM | Tim Johnson | 196 | 75.68% |
| United States Senate | Brown | Groton Community Center | DEM | Tim Johnson | 816 | 75.07% |
| United States Senate | Brown | Claremont Fire Station | DEM | Tim Johnson | 165 | 79.33% |
| United States Senate | Brown | Hecla Community Center | DEM | Tim Johnson | 269 | 82.52% |
| United States Senate | Brown | Frederick Community Center | DEM | Tim Johnson | 225 | 78.13% |
| United States Senate | Brule | #1 Chamberlain | REP | Joel Dykstra | 508 | 38.25% |
| United States Senate | Brule | #2 Kimball | REP | Joel Dykstra | 161 | 29.06% |
| United States Senate | Brule | #3 Pukwana | REP | Joel Dykstra | 141 | 37.01% |
| United States Senate | Brule | #4 Academy | REP | Joel Dykstra | 38 | 49.35% |
| United States Senate | Brule | #5 Ola | REP | Joel Dykstra | 37 | 31.62% |
| United States Senate | Brule | #1 Chamberlain | DEM | Tim Johnson | 820 | 61.75% |
| United States Senate | Brule | #2 Kimball | DEM | Tim Johnson | 393 | 70.94% |
| United States Senate | Brule | #3 Pukwana | DEM | Tim Johnson | 240 | 62.99% |
| United States Senate | Brule | #4 Academy | DEM | Tim Johnson | 39 | 50.65% |
| United States Senate | Brule | #5 Ola | DEM | Tim Johnson | 80 | 68.38% |
| United States Senate | Buffalo | Elvira | REP | Joel Dykstra | 66 | 48.89% |
| United States Senate | Buffalo | Pershing | REP | Joel Dykstra | 18 | 21.69% |
| United States Senate | Buffalo | Victory | REP | Joel Dykstra | 24 | 5.97% |
| United States Senate | Buffalo | Elvira | DEM | Tim Johnson | 69 | 51.11% |
| United States Senate | Buffalo | Pershing | DEM | Tim Johnson | 65 | 78.31% |
| United States Senate | Buffalo | Victory | DEM | Tim Johnson | 378 | 94.03% |
| United States Senate | Butte | Ward 1 Precinct 21 | REP | Joel Dykstra | 68 | 31.92% |
| United States Senate | Butte | Ward 1 Precinct 22 | REP | Joel Dykstra | 78 | 34.82% |
| United States Senate | Butte | Ward 2 Precinct 23 | REP | Joel Dykstra | 114 | 47.70% |
| United States Senate | Butte | Ward 2 Precinct 24 | REP | Joel Dykstra | 141 | 47.32% |
| United States Senate | Butte | Ward 3 Precinct 25 | REP | Joel Dykstra | 69 | 61.06% |
| United States Senate | Butte | Ward 3 Precinct 26 | REP | Joel Dykstra | 252 | 49.70% |
| United States Senate | Butte | Ward 4 Precinct 27 | REP | Joel Dykstra | 81 | 44.26% |
| United States Senate | Butte | Ward 4 Precinct 28 | REP | Joel Dykstra | 187 | 44.42% |
| United States Senate | Butte | Castle Rock Precinct 06 | REP | Joel Dykstra | 27 | 65.85% |
| United States Senate | Butte | Union Precinct 08 (Including: Horsecreek Precinct 13, Newell Independent Precinct 14) | REP | Joel Dykstra | 191 | 44.21% |
| United States Senate | Butte | Romans Precinct 11 | REP | Joel Dykstra | 37 | 55.22% |
| United States Senate | Butte | Orman Precinct 12 | REP | Joel Dykstra | 38 | 46.34% |
| United States Senate | Butte | Minnesela Precinct 16 | REP | Joel Dykstra | 246 | 61.65% |
| United States Senate | Butte | Fruitdale Precinct 17 | REP | Joel Dykstra | 298 | 53.89% |
| United States Senate | Butte | Nisland Precinct 18 | REP | Joel Dykstra | 96 | 48.24% |
| United States Senate | Butte | Newell City Precinct 20 | REP | Joel Dykstra | 111 | 42.05% |
| United States Senate | Butte | Ward 1 Precinct 21 | DEM | Tim Johnson | 145 | 68.08% |
| United States Senate | Butte | Ward 1 Precinct 22 | DEM | Tim Johnson | 146 | 65.18% |
| United States Senate | Butte | Ward 2 Precinct 23 | DEM | Tim Johnson | 125 | 52.30% |
| United States Senate | Butte | Ward 2 Precinct 24 | DEM | Tim Johnson | 157 | 52.68% |
| United States Senate | Butte | Ward 3 Precinct 25 | DEM | Tim Johnson | 44 | 38.94% |
| United States Senate | Butte | Ward 3 Precinct 26 | DEM | Tim Johnson | 255 | 50.30% |
| United States Senate | Butte | Ward 4 Precinct 27 | DEM | Tim Johnson | 102 | 55.74% |
| United States Senate | Butte | Ward 4 Precinct 28 | DEM | Tim Johnson | 234 | 55.58% |
| United States Senate | Butte | Castle Rock Precinct 06 | DEM | Tim Johnson | 14 | 34.15% |
| United States Senate | Butte | Union Precinct 08 (Including: Horsecreek Precinct 13, Newell Independent Precinct 14) | DEM | Tim Johnson | 241 | 55.79% |
| United States Senate | Butte | Romans Precinct 11 | DEM | Tim Johnson | 30 | 44.78% |
| United States Senate | Butte | Orman Precinct 12 | DEM | Tim Johnson | 44 | 53.66% |
| United States Senate | Butte | Minnesela Precinct 16 | DEM | Tim Johnson | 153 | 38.35% |
| United States Senate | Butte | Fruitdale Precinct 17 | DEM | Tim Johnson | 255 | 46.11% |
| United States Senate | Butte | Nisland Precinct 18 | DEM | Tim Johnson | 103 | 51.76% |
| United States Senate | Butte | Newell City Precinct 20 | DEM | Tim Johnson | 153 | 57.95% |
| United States Senate | Campbell | #1 | REP | Joel Dykstra | 93 | 43.06% |
| United States Senate | Campbell | #2 | REP | Joel Dykstra | 78 | 46.15% |
| United States Senate | Campbell | #3 | REP | Joel Dykstra | 81 | 55.48% |
| United States Senate | Campbell | #4 | REP | Joel Dykstra | 45 | 32.37% |
| United States Senate | Campbell | #5 | REP | Joel Dykstra | 95 | 50.80% |
| United States Senate | Campbell | #1 | DEM | Tim Johnson | 123 | 56.94% |
| United States Senate | Campbell | #2 | DEM | Tim Johnson | 91 | 53.85% |
| United States Senate | Campbell | #3 | DEM | Tim Johnson | 65 | 44.52% |
| United States Senate | Campbell | #4 | DEM | Tim Johnson | 94 | 67.63% |
| United States Senate | Campbell | #5 | DEM | Tim Johnson | 92 | 49.20% |
| United States Senate | Charles Mix | #01 | REP | Joel Dykstra | 151 | 30.51% |
| United States Senate | Charles Mix | #02 | REP | Joel Dykstra | 77 | 35.16% |
| United States Senate | Charles Mix | #03 | REP | Joel Dykstra | 165 | 27.45% |
| United States Senate | Charles Mix | #04 | REP | Joel Dykstra | 32 | 13.06% |
| United States Senate | Charles Mix | #05 | REP | Joel Dykstra | 124 | 30.32% |
| United States Senate | Charles Mix | #06 | REP | Joel Dykstra | 56 | 18.42% |
| United States Senate | Charles Mix | #07 | REP | Joel Dykstra | 52 | 42.28% |
| United States Senate | Charles Mix | #08 | REP | Joel Dykstra | 60 | 35.09% |
| United States Senate | Charles Mix | #09 | REP | Joel Dykstra | 189 | 50.53% |
| United States Senate | Charles Mix | #10 | REP | Joel Dykstra | 74 | 61.16% |
| United States Senate | Charles Mix | #11 | REP | Joel Dykstra | 386 | 51.06% |
| United States Senate | Charles Mix | #12 | REP | Joel Dykstra | 30 | 22.73% |
| United States Senate | Charles Mix | #13 | REP | Joel Dykstra | 26 | 33.33% |
| United States Senate | Charles Mix | #01 | DEM | Tim Johnson | 344 | 69.49% |
| United States Senate | Charles Mix | #02 | DEM | Tim Johnson | 142 | 64.84% |
| United States Senate | Charles Mix | #03 | DEM | Tim Johnson | 436 | 72.55% |
| United States Senate | Charles Mix | #04 | DEM | Tim Johnson | 213 | 86.94% |
| United States Senate | Charles Mix | #05 | DEM | Tim Johnson | 285 | 69.68% |
| United States Senate | Charles Mix | #06 | DEM | Tim Johnson | 248 | 81.58% |
| United States Senate | Charles Mix | #07 | DEM | Tim Johnson | 71 | 57.72% |
| United States Senate | Charles Mix | #08 | DEM | Tim Johnson | 111 | 64.91% |
| United States Senate | Charles Mix | #09 | DEM | Tim Johnson | 185 | 49.47% |
| United States Senate | Charles Mix | #10 | DEM | Tim Johnson | 47 | 38.84% |
| United States Senate | Charles Mix | #11 | DEM | Tim Johnson | 370 | 48.94% |
| United States Senate | Charles Mix | #12 | DEM | Tim Johnson | 102 | 77.27% |
| United States Senate | Charles Mix | #13 | DEM | Tim Johnson | 52 | 66.67% |
| United States Senate | Clark | Blaine, Cottonwood, Sp Val, War | REP | Joel Dykstra | 25 | 16.34% |
| United States Senate | Clark | Ash, Woodland, Garfield | REP | Joel Dykstra | 29 | 34.52% |
| United States Senate | Clark | Raymond Twp, Logan, Fordham, To | REP | Joel Dykstra | 40 | 29.85% |
| United States Senate | Clark | Thorp, Maydell, Eden, Town of G | REP | Joel Dykstra | 48 | 37.21% |
| United States Senate | Clark | Mt Pleasant, Day, Darlington | REP | Joel Dykstra | 77 | 50.99% |
| United States Senate | Clark | Elrod, Foxton, Merton, Town of | REP | Joel Dykstra | 39 | 29.10% |
| United States Senate | Clark | Lake, Washington, Collins | REP | Joel Dykstra | 42 | 30.00% |
| United States Senate | Clark | Town of Willow Lake | REP | Joel Dykstra | 49 | 35.51% |
| United States Senate | Clark | Town of Vienna, Pleasant | REP | Joel Dykstra | 64 | 62.14% |
| United States Senate | Clark | Richland, Hague, Rosedale | REP | Joel Dykstra | 19 | 19.79% |
| United States Senate | Clark | City of Clark Ward I | REP | Joel Dykstra | 77 | 30.68% |
| United States Senate | Clark | City of Clark Ward II | REP | Joel Dykstra | 55 | 29.73% |
| United States Senate | Clark | City of Clark Ward III, Lincoln | REP | Joel Dykstra | 77 | 28.00% |
| United States Senate | Clark | Blaine, Cottonwood, Sp Val, War | DEM | Tim Johnson | 128 | 83.66% |
| United States Senate | Clark | Ash, Woodland, Garfield | DEM | Tim Johnson | 55 | 65.48% |
| United States Senate | Clark | Raymond Twp, Logan, Fordham, To | DEM | Tim Johnson | 94 | 70.15% |
| United States Senate | Clark | Thorp, Maydell, Eden, Town of G | DEM | Tim Johnson | 81 | 62.79% |
| United States Senate | Clark | Mt Pleasant, Day, Darlington | DEM | Tim Johnson | 74 | 49.01% |
| United States Senate | Clark | Elrod, Foxton, Merton, Town of | DEM | Tim Johnson | 95 | 70.90% |
| United States Senate | Clark | Lake, Washington, Collins | DEM | Tim Johnson | 98 | 70.00% |
| United States Senate | Clark | Town of Willow Lake | DEM | Tim Johnson | 89 | 64.49% |
| United States Senate | Clark | Town of Vienna, Pleasant | DEM | Tim Johnson | 39 | 37.86% |
| United States Senate | Clark | Richland, Hague, Rosedale | DEM | Tim Johnson | 77 | 80.21% |
| United States Senate | Clark | City of Clark Ward I | DEM | Tim Johnson | 174 | 69.32% |
| United States Senate | Clark | City of Clark Ward II | DEM | Tim Johnson | 130 | 70.27% |
| United States Senate | Clark | City of Clark Ward III, Lincoln | DEM | Tim Johnson | 198 | 72.00% |
| United States Senate | Clay | Rural Ward 1 | REP | Joel Dykstra | 147 | 34.75% |
| United States Senate | Clay | Rural Ward 2 | REP | Joel Dykstra | 105 | 23.81% |
| United States Senate | Clay | Rural Ward 3 | REP | Joel Dykstra | 283 | 28.44% |
| United States Senate | Clay | Central 1 | REP | Joel Dykstra | 53 | 16.77% |
| United States Senate | Clay | Northeast 1 | REP | Joel Dykstra | 89 | 23.12% |
| United States Senate | Clay | Northwest 1 | REP | Joel Dykstra | 119 | 18.80% |
| United States Senate | Clay | Southeast 1 | REP | Joel Dykstra | 222 | 26.84% |
| United States Senate | Clay | Central 2 | REP | Joel Dykstra | 102 | 22.57% |
| United States Senate | Clay | Northeast 2 | REP | Joel Dykstra | 114 | 24.84% |
| United States Senate | Clay | Northwest 2 | REP | Joel Dykstra | 126 | 26.47% |
| United States Senate | Clay | Southeast 2 | REP | Joel Dykstra | 185 | 23.87% |
| United States Senate | Clay | Rural Ward 1 | DEM | Tim Johnson | 276 | 65.25% |
| United States Senate | Clay | Rural Ward 2 | DEM | Tim Johnson | 336 | 76.19% |
| United States Senate | Clay | Rural Ward 3 | DEM | Tim Johnson | 712 | 71.56% |
| United States Senate | Clay | Central 1 | DEM | Tim Johnson | 263 | 83.23% |
| United States Senate | Clay | Northeast 1 | DEM | Tim Johnson | 296 | 76.88% |
| United States Senate | Clay | Northwest 1 | DEM | Tim Johnson | 514 | 81.20% |
| United States Senate | Clay | Southeast 1 | DEM | Tim Johnson | 605 | 73.16% |
| United States Senate | Clay | Central 2 | DEM | Tim Johnson | 350 | 77.43% |
| United States Senate | Clay | Northeast 2 | DEM | Tim Johnson | 345 | 75.16% |
| United States Senate | Clay | Northwest 2 | DEM | Tim Johnson | 350 | 73.53% |
| United States Senate | Clay | Southeast 2 | DEM | Tim Johnson | 590 | 76.13% |
| United States Senate | Codington | Ward A Precinct 1 (Including: Ward A Precinct 4) | REP | Joel Dykstra | 456 | 40.82% |
| United States Senate | Codington | Ward A Precinct 2 | REP | Joel Dykstra | 231 | 40.38% |
| United States Senate | Codington | Ward A Precinct 3 | REP | Joel Dykstra | 232 | 31.48% |
| United States Senate | Codington | Ward B Precinct 1 | REP | Joel Dykstra | 222 | 39.08% |
| United States Senate | Codington | Ward B Precinct 2 | REP | Joel Dykstra | 290 | 32.12% |
| United States Senate | Codington | Ward B Precinct 3 (Including: Ward B Precinct 4) | REP | Joel Dykstra | 241 | 41.06% |
| United States Senate | Codington | Ward C Precinct 1 | REP | Joel Dykstra | 38 | 24.84% |
| United States Senate | Codington | Ward C Precinct 2 | REP | Joel Dykstra | 91 | 34.73% |
| United States Senate | Codington | Ward C Precinct 3 | REP | Joel Dykstra | 192 | 26.19% |
| United States Senate | Codington | Ward C Precinct 4 | REP | Joel Dykstra | 60 | 24.39% |
| United States Senate | Codington | Ward D Precinct 1 | REP | Joel Dykstra | 166 | 31.32% |
| United States Senate | Codington | Ward D Precinct 2 | REP | Joel Dykstra | 143 | 30.36% |
| United States Senate | Codington | Ward D Precinct 3 | REP | Joel Dykstra | 155 | 32.36% |
| United States Senate | Codington | Ward D Precinct 4 | REP | Joel Dykstra | 73 | 28.85% |
| United States Senate | Codington | Ward E Precinct 1 | REP | Joel Dykstra | 159 | 27.46% |
| United States Senate | Codington | Ward E Precinct 2 | REP | Joel Dykstra | 111 | 41.26% |
| United States Senate | Codington | Ward E Precinct 3 | REP | Joel Dykstra | 366 | 49.80% |
| United States Senate | Codington | Ward E Precinct 4 | REP | Joel Dykstra | 137 | 48.07% |
| United States Senate | Codington | Dexter | REP | Joel Dykstra | 24 | 25.26% |
| United States Senate | Codington | Eden, Phipps, Wallace | REP | Joel Dykstra | 37 | 31.62% |
| United States Senate | Codington | Elmira | REP | Joel Dykstra | 73 | 37.24% |
| United States Senate | Codington | Fuller - Florence | REP | Joel Dykstra | 71 | 25.91% |
| United States Senate | Codington | Germantown | REP | Joel Dykstra | 17 | 19.54% |
| United States Senate | Codington | Graceland, Henry, Henry | REP | Joel Dykstra | 77 | 33.92% |
| United States Senate | Codington | Kampeska Township | REP | Joel Dykstra | 43 | 26.06% |
| United States Senate | Codington | Kranzburg Twp. & Village | REP | Joel Dykstra | 87 | 34.80% |
| United States Senate | Codington | Lake Township | REP | Joel Dykstra | 118 | 35.76% |
| United States Senate | Codington | Leola - South Shore | REP | Joel Dykstra | 38 | 24.52% |
| United States Senate | Codington | Pelican | REP | Joel Dykstra | 122 | 38.49% |
| United States Senate | Codington | Rauville | REP | Joel Dykstra | 41 | 30.37% |
| United States Senate | Codington | Richland | REP | Joel Dykstra | 32 | 40.00% |
| United States Senate | Codington | Sheridan | REP | Joel Dykstra | 87 | 41.04% |
| United States Senate | Codington | Waverly | REP | Joel Dykstra | 23 | 23.47% |
| United States Senate | Codington | Ward A Precinct 1 (Including: Ward A Precinct 4) | DEM | Tim Johnson | 661 | 59.18% |
| United States Senate | Codington | Ward A Precinct 2 | DEM | Tim Johnson | 341 | 59.62% |
| United States Senate | Codington | Ward A Precinct 3 | DEM | Tim Johnson | 505 | 68.52% |
| United States Senate | Codington | Ward B Precinct 1 | DEM | Tim Johnson | 346 | 60.92% |
| United States Senate | Codington | Ward B Precinct 2 | DEM | Tim Johnson | 613 | 67.88% |
| United States Senate | Codington | Ward B Precinct 3 (Including: Ward B Precinct 4) | DEM | Tim Johnson | 346 | 58.94% |
| United States Senate | Codington | Ward C Precinct 1 | DEM | Tim Johnson | 115 | 75.16% |
| United States Senate | Codington | Ward C Precinct 2 | DEM | Tim Johnson | 171 | 65.27% |
| United States Senate | Codington | Ward C Precinct 3 | DEM | Tim Johnson | 541 | 73.81% |
| United States Senate | Codington | Ward C Precinct 4 | DEM | Tim Johnson | 186 | 75.61% |
| United States Senate | Codington | Ward D Precinct 1 | DEM | Tim Johnson | 364 | 68.68% |
| United States Senate | Codington | Ward D Precinct 2 | DEM | Tim Johnson | 328 | 69.64% |
| United States Senate | Codington | Ward D Precinct 3 | DEM | Tim Johnson | 324 | 67.64% |
| United States Senate | Codington | Ward D Precinct 4 | DEM | Tim Johnson | 180 | 71.15% |
| United States Senate | Codington | Ward E Precinct 1 | DEM | Tim Johnson | 420 | 72.54% |
| United States Senate | Codington | Ward E Precinct 2 | DEM | Tim Johnson | 158 | 58.74% |
| United States Senate | Codington | Ward E Precinct 3 | DEM | Tim Johnson | 369 | 50.20% |
| United States Senate | Codington | Ward E Precinct 4 | DEM | Tim Johnson | 148 | 51.93% |
| United States Senate | Codington | Dexter | DEM | Tim Johnson | 71 | 74.74% |
| United States Senate | Codington | Eden, Phipps, Wallace | DEM | Tim Johnson | 80 | 68.38% |
| United States Senate | Codington | Elmira | DEM | Tim Johnson | 123 | 62.76% |
| United States Senate | Codington | Fuller - Florence | DEM | Tim Johnson | 203 | 74.09% |
| United States Senate | Codington | Germantown | DEM | Tim Johnson | 70 | 80.46% |
| United States Senate | Codington | Graceland, Henry, Henry | DEM | Tim Johnson | 150 | 66.08% |
| United States Senate | Codington | Kampeska Township | DEM | Tim Johnson | 122 | 73.94% |
| United States Senate | Codington | Kranzburg Twp. & Village | DEM | Tim Johnson | 163 | 65.20% |
| United States Senate | Codington | Lake Township | DEM | Tim Johnson | 212 | 64.24% |
| United States Senate | Codington | Leola - South Shore | DEM | Tim Johnson | 117 | 75.48% |
| United States Senate | Codington | Pelican | DEM | Tim Johnson | 195 | 61.51% |
| United States Senate | Codington | Rauville | DEM | Tim Johnson | 94 | 69.63% |
| United States Senate | Codington | Richland | DEM | Tim Johnson | 48 | 60.00% |
| United States Senate | Codington | Sheridan | DEM | Tim Johnson | 125 | 58.96% |
| United States Senate | Codington | Waverly | DEM | Tim Johnson | 75 | 76.53% |
| United States Senate | Corson | Bullhead Precinct | REP | Joel Dykstra | 3 | 3.23% |
| United States Senate | Corson | Cadillac Precinct | REP | Joel Dykstra | 31 | 40.26% |
| United States Senate | Corson | Grand Valley Precinct | REP | Joel Dykstra | 46 | 68.66% |
| United States Senate | Corson | Kenel Precinct | REP | Joel Dykstra | 2 | 2.38% |
| United States Senate | Corson | Liberty Precinct | REP | Joel Dykstra | 17 | 51.52% |
| United States Senate | Corson | Lincoln Precinct | REP | Joel Dykstra | 48 | 39.34% |
| United States Senate | Corson | Little Eagle Precinct | REP | Joel Dykstra | 11 | 9.02% |
| United States Senate | Corson | Little Oak Precinct | REP | Joel Dykstra | 34 | 54.84% |
| United States Senate | Corson | Butte Precinct | REP | Joel Dykstra | 14 | 8.48% |
| United States Senate | Corson | McIntosh Precinct | REP | Joel Dykstra | 42 | 40.38% |
| United States Senate | Corson | Mission Precinct | REP | Joel Dykstra | 4 | 10.53% |
| United States Senate | Corson | Morristown Precinct | REP | Joel Dykstra | 50 | 46.73% |
| United States Senate | Corson | Ridgeland Precinct | REP | Joel Dykstra | 28 | 44.44% |
| United States Senate | Corson | Wakpala Precinct | REP | Joel Dykstra | 2 | 3.08% |
| United States Senate | Corson | Watauga Precinct | REP | Joel Dykstra | 18 | 52.94% |
| United States Senate | Corson | Archambault Precinct | REP | Joel Dykstra | 12 | 33.33% |
| United States Senate | Corson | South McLaughlin City Precinct | REP | Joel Dykstra | 32 | 26.23% |
| United States Senate | Corson | Bullhead Precinct | DEM | Tim Johnson | 90 | 96.77% |
| United States Senate | Corson | Cadillac Precinct | DEM | Tim Johnson | 46 | 59.74% |
| United States Senate | Corson | Grand Valley Precinct | DEM | Tim Johnson | 21 | 31.34% |
| United States Senate | Corson | Kenel Precinct | DEM | Tim Johnson | 82 | 97.62% |
| United States Senate | Corson | Liberty Precinct | DEM | Tim Johnson | 16 | 48.48% |
| United States Senate | Corson | Lincoln Precinct | DEM | Tim Johnson | 74 | 60.66% |
| United States Senate | Corson | Little Eagle Precinct | DEM | Tim Johnson | 111 | 90.98% |
| United States Senate | Corson | Little Oak Precinct | DEM | Tim Johnson | 28 | 45.16% |
| United States Senate | Corson | Butte Precinct | DEM | Tim Johnson | 151 | 91.52% |
| United States Senate | Corson | McIntosh Precinct | DEM | Tim Johnson | 62 | 59.62% |
| United States Senate | Corson | Mission Precinct | DEM | Tim Johnson | 34 | 89.47% |
| United States Senate | Corson | Morristown Precinct | DEM | Tim Johnson | 57 | 53.27% |
| United States Senate | Corson | Ridgeland Precinct | DEM | Tim Johnson | 35 | 55.56% |
| United States Senate | Corson | Wakpala Precinct | DEM | Tim Johnson | 63 | 96.92% |
| United States Senate | Corson | Watauga Precinct | DEM | Tim Johnson | 16 | 47.06% |
| United States Senate | Corson | Archambault Precinct | DEM | Tim Johnson | 24 | 66.67% |
| United States Senate | Corson | South McLaughlin City Precinct | DEM | Tim Johnson | 90 | 73.77% |
| United States Senate | Custer | Hermosa 1 | REP | Joel Dykstra | 466 | 54.82% |
| United States Senate | Custer | Fairburn 2 | REP | Joel Dykstra | 75 | 55.97% |
| United States Senate | Custer | Buffalo Gap 3 | REP | Joel Dykstra | 95 | 45.45% |
| United States Senate | Custer | Pringle 4 | REP | Joel Dykstra | 132 | 42.58% |
| United States Senate | Custer | Sentinel Hill 5 | REP | Joel Dykstra | 336 | 50.45% |
| United States Senate | Custer | Custer 6 | REP | Joel Dykstra | 132 | 41.90% |
| United States Senate | Custer | Custer 7 | REP | Joel Dykstra | 180 | 43.90% |
| United States Senate | Custer | Custer 8 | REP | Joel Dykstra | 142 | 40.57% |
| United States Senate | Custer | Bear Rock 9 | REP | Joel Dykstra | 574 | 50.98% |
| United States Senate | Custer | Elk Mountain 10 | REP | Joel Dykstra | 85 | 63.43% |
| United States Senate | Custer | Hermosa 1 | DEM | Tim Johnson | 384 | 45.18% |
| United States Senate | Custer | Fairburn 2 | DEM | Tim Johnson | 59 | 44.03% |
| United States Senate | Custer | Buffalo Gap 3 | DEM | Tim Johnson | 114 | 54.55% |
| United States Senate | Custer | Pringle 4 | DEM | Tim Johnson | 178 | 57.42% |
| United States Senate | Custer | Sentinel Hill 5 | DEM | Tim Johnson | 330 | 49.55% |
| United States Senate | Custer | Custer 6 | DEM | Tim Johnson | 183 | 58.10% |
| United States Senate | Custer | Custer 7 | DEM | Tim Johnson | 230 | 56.10% |
| United States Senate | Custer | Custer 8 | DEM | Tim Johnson | 208 | 59.43% |
| United States Senate | Custer | Bear Rock 9 | DEM | Tim Johnson | 552 | 49.02% |
| United States Senate | Custer | Elk Mountain 10 | DEM | Tim Johnson | 49 | 36.57% |
| United States Senate | Davison | Prec 1 (Including: Prec 3) | REP | Joel Dykstra | 170 | 37.04% |
| United States Senate | Davison | Prec 2 | REP | Joel Dykstra | 69 | 26.44% |
| United States Senate | Davison | Prec 4 | REP | Joel Dykstra | 108 | 30.25% |
| United States Senate | Davison | Prec 5 | REP | Joel Dykstra | 136 | 31.41% |
| United States Senate | Davison | Prec 6 | REP | Joel Dykstra | 72 | 35.29% |
| United States Senate | Davison | Prec 7 | REP | Joel Dykstra | 103 | 29.10% |
| United States Senate | Davison | Prec 8 | REP | Joel Dykstra | 132 | 43.14% |
| United States Senate | Davison | Prec 10 | REP | Joel Dykstra | 126 | 34.24% |
| United States Senate | Davison | Prec 11 (Including: Prec 13) | REP | Joel Dykstra | 154 | 35.98% |
| United States Senate | Davison | Prec 12 | REP | Joel Dykstra | 74 | 36.10% |
| United States Senate | Davison | Prec 14 | REP | Joel Dykstra | 125 | 44.80% |
| United States Senate | Davison | Prec 15 | REP | Joel Dykstra | 117 | 32.41% |
| United States Senate | Davison | Prec 16 | REP | Joel Dykstra | 164 | 40.49% |
| United States Senate | Davison | Prec 17 | REP | Joel Dykstra | 187 | 37.63% |
| United States Senate | Davison | Prec 18 | REP | Joel Dykstra | 118 | 32.33% |
| United States Senate | Davison | Prec 19 | REP | Joel Dykstra | 153 | 43.84% |
| United States Senate | Davison | Prec 20 | REP | Joel Dykstra | 362 | 43.77% |
| United States Senate | Davison | Bak,Blen,Mtv,Un Twp (Including: Mount Vernon V1, Mount Vernon V2, Mount Vernon V3) | REP | Joel Dykstra | 147 | 35.59% |
| United States Senate | Davison | Rome,Tobin,Ethn | REP | Joel Dykstra | 88 | 26.35% |
| United States Senate | Davison | Badg,Perry,N 1/2 Mit Twp | REP | Joel Dykstra | 204 | 37.57% |
| United States Senate | Davison | Beul,Lis,Pros,S 1/2 Mit Twp | REP | Joel Dykstra | 298 | 40.60% |
| United States Senate | Davison | Prec 1 (Including: Prec 3) | DEM | Tim Johnson | 289 | 62.96% |
| United States Senate | Davison | Prec 2 | DEM | Tim Johnson | 192 | 73.56% |
| United States Senate | Davison | Prec 4 | DEM | Tim Johnson | 249 | 69.75% |
| United States Senate | Davison | Prec 5 | DEM | Tim Johnson | 297 | 68.59% |
| United States Senate | Davison | Prec 6 | DEM | Tim Johnson | 132 | 64.71% |
| United States Senate | Davison | Prec 7 | DEM | Tim Johnson | 251 | 70.90% |
| United States Senate | Davison | Prec 8 | DEM | Tim Johnson | 174 | 56.86% |
| United States Senate | Davison | Prec 10 | DEM | Tim Johnson | 242 | 65.76% |
| United States Senate | Davison | Prec 11 (Including: Prec 13) | DEM | Tim Johnson | 274 | 64.02% |
| United States Senate | Davison | Prec 12 | DEM | Tim Johnson | 131 | 63.90% |
| United States Senate | Davison | Prec 14 | DEM | Tim Johnson | 154 | 55.20% |
| United States Senate | Davison | Prec 15 | DEM | Tim Johnson | 244 | 67.59% |
| United States Senate | Davison | Prec 16 | DEM | Tim Johnson | 241 | 59.51% |
| United States Senate | Davison | Prec 17 | DEM | Tim Johnson | 310 | 62.37% |
| United States Senate | Davison | Prec 18 | DEM | Tim Johnson | 247 | 67.67% |
| United States Senate | Davison | Prec 19 | DEM | Tim Johnson | 196 | 56.16% |
| United States Senate | Davison | Prec 20 | DEM | Tim Johnson | 465 | 56.23% |
| United States Senate | Davison | Bak,Blen,Mtv,Un Twp (Including: Mount Vernon V1, Mount Vernon V2, Mount Vernon V3) | DEM | Tim Johnson | 266 | 64.41% |
| United States Senate | Davison | Rome,Tobin,Ethn | DEM | Tim Johnson | 246 | 73.65% |
| United States Senate | Davison | Badg,Perry,N 1/2 Mit Twp | DEM | Tim Johnson | 339 | 62.43% |
| United States Senate | Davison | Beul,Lis,Pros,S 1/2 Mit Twp | DEM | Tim Johnson | 436 | 59.40% |
| United States Senate | Day | #1 | REP | Joel Dykstra | 79 | 26.42% |
| United States Senate | Day | #2 | REP | Joel Dykstra | 80 | 25.97% |
| United States Senate | Day | #3 | REP | Joel Dykstra | 58 | 29.15% |
| United States Senate | Day | #4 | REP | Joel Dykstra | 55 | 25.35% |
| United States Senate | Day | #5 | REP | Joel Dykstra | 67 | 24.28% |
| United States Senate | Day | #6 | REP | Joel Dykstra | 75 | 26.69% |
| United States Senate | Day | #7 | REP | Joel Dykstra | 54 | 28.42% |
| United States Senate | Day | #8 | REP | Joel Dykstra | 39 | 25.16% |
| United States Senate | Day | #9 | REP | Joel Dykstra | 48 | 22.97% |
| United States Senate | Day | #10 | REP | Joel Dykstra | 50 | 39.06% |
| United States Senate | Day | #11 | REP | Joel Dykstra | 49 | 21.68% |
| United States Senate | Day | #12 | REP | Joel Dykstra | 43 | 18.22% |
| United States Senate | Day | #13 | REP | Joel Dykstra | 62 | 27.93% |
| United States Senate | Day | #14 | REP | Joel Dykstra | 64 | 23.02% |
| United States Senate | Day | #1 | DEM | Tim Johnson | 220 | 73.58% |
| United States Senate | Day | #2 | DEM | Tim Johnson | 228 | 74.03% |
| United States Senate | Day | #3 | DEM | Tim Johnson | 141 | 70.85% |
| United States Senate | Day | #4 | DEM | Tim Johnson | 162 | 74.65% |
| United States Senate | Day | #5 | DEM | Tim Johnson | 209 | 75.72% |
| United States Senate | Day | #6 | DEM | Tim Johnson | 206 | 73.31% |
| United States Senate | Day | #7 | DEM | Tim Johnson | 136 | 71.58% |
| United States Senate | Day | #8 | DEM | Tim Johnson | 116 | 74.84% |
| United States Senate | Day | #9 | DEM | Tim Johnson | 161 | 77.03% |
| United States Senate | Day | #10 | DEM | Tim Johnson | 78 | 60.94% |
| United States Senate | Day | #11 | DEM | Tim Johnson | 177 | 78.32% |
| United States Senate | Day | #12 | DEM | Tim Johnson | 193 | 81.78% |
| United States Senate | Day | #13 | DEM | Tim Johnson | 160 | 72.07% |
| United States Senate | Day | #14 | DEM | Tim Johnson | 214 | 76.98% |
| United States Senate | Deuel | Alt., Portland, Alt. | REP | Joel Dykstra | 18 | 18.75% |
| United States Senate | Deuel | Ant. Valley, Lowe | REP | Joel Dykstra | 17 | 20.73% |
| United States Senate | Deuel | Norden, Brandt, Brandt | REP | Joel Dykstra | 90 | 30.93% |
| United States Senate | Deuel | Clear Lake WD 1 | REP | Joel Dykstra | 48 | 24.12% |
| United States Senate | Deuel | Clear Lake WD 2 | REP | Joel Dykstra | 60 | 30.77% |
| United States Senate | Deuel | Clear Lake WD 3 | REP | Joel Dykstra | 60 | 28.17% |
| United States Senate | Deuel | Goodwin, Rome, Goodwin | REP | Joel Dykstra | 70 | 36.84% |
| United States Senate | Deuel | Glenwood, Herrick, Gary | REP | Joel Dykstra | 74 | 28.24% |
| United States Senate | Deuel | Hav., CL, Hidewood | REP | Joel Dykstra | 103 | 36.65% |
| United States Senate | Deuel | Scandi, Astoria | REP | Joel Dykstra | 65 | 35.33% |
| United States Senate | Deuel | Blom, Grange, Toronto | REP | Joel Dykstra | 54 | 22.88% |
| United States Senate | Deuel | Alt., Portland, Alt. | DEM | Tim Johnson | 78 | 81.25% |
| United States Senate | Deuel | Ant. Valley, Lowe | DEM | Tim Johnson | 65 | 79.27% |
| United States Senate | Deuel | Norden, Brandt, Brandt | DEM | Tim Johnson | 201 | 69.07% |
| United States Senate | Deuel | Clear Lake WD 1 | DEM | Tim Johnson | 151 | 75.88% |
| United States Senate | Deuel | Clear Lake WD 2 | DEM | Tim Johnson | 135 | 69.23% |
| United States Senate | Deuel | Clear Lake WD 3 | DEM | Tim Johnson | 153 | 71.83% |
| United States Senate | Deuel | Goodwin, Rome, Goodwin | DEM | Tim Johnson | 120 | 63.16% |
| United States Senate | Deuel | Glenwood, Herrick, Gary | DEM | Tim Johnson | 188 | 71.76% |
| United States Senate | Deuel | Hav., CL, Hidewood | DEM | Tim Johnson | 178 | 63.35% |
| United States Senate | Deuel | Scandi, Astoria | DEM | Tim Johnson | 119 | 64.67% |
| United States Senate | Deuel | Blom, Grange, Toronto | DEM | Tim Johnson | 182 | 77.12% |
| United States Senate | Dewey | TRAIL CITY | REP | Joel Dykstra | 18 | 48.65% |
| United States Senate | Dewey | GLENCROSS | REP | Joel Dykstra | 22 | 44.00% |
| United States Senate | Dewey | TIMBER LAKE | REP | Joel Dykstra | 81 | 27.55% |
| United States Senate | Dewey | FIRESTEEL | REP | Joel Dykstra | 25 | 29.76% |
| United States Senate | Dewey | ISABEL | REP | Joel Dykstra | 56 | 34.57% |
| United States Senate | Dewey | EAGLE BUTTE EAST | REP | Joel Dykstra | 17 | 5.70% |
| United States Senate | Dewey | WHITE HORSE | REP | Joel Dykstra | 3 | 4.41% |
| United States Senate | Dewey | PROMISE | REP | Joel Dykstra | 7 | 11.86% |
| United States Senate | Dewey | SWIFTBIRD | REP | Joel Dykstra | 2 | 3.51% |
| United States Senate | Dewey | LAPLANT | REP | Joel Dykstra | 4 | 6.56% |
| United States Senate | Dewey | NO HEART (Including: EB NORTH) | REP | Joel Dykstra | 51 | 15.84% |
| United States Senate | Dewey | EB SOUTH | REP | Joel Dykstra | 36 | 10.26% |
| United States Senate | Dewey | EB WEST GREEN GRASS | REP | Joel Dykstra | 31 | 17.61% |
| United States Senate | Dewey | TRAIL CITY | DEM | Tim Johnson | 19 | 51.35% |
| United States Senate | Dewey | GLENCROSS | DEM | Tim Johnson | 28 | 56.00% |
| United States Senate | Dewey | TIMBER LAKE | DEM | Tim Johnson | 213 | 72.45% |
| United States Senate | Dewey | FIRESTEEL | DEM | Tim Johnson | 59 | 70.24% |
| United States Senate | Dewey | ISABEL | DEM | Tim Johnson | 106 | 65.43% |
| United States Senate | Dewey | EAGLE BUTTE EAST | DEM | Tim Johnson | 281 | 94.30% |
| United States Senate | Dewey | WHITE HORSE | DEM | Tim Johnson | 65 | 95.59% |
| United States Senate | Dewey | PROMISE | DEM | Tim Johnson | 52 | 88.14% |
| United States Senate | Dewey | SWIFTBIRD | DEM | Tim Johnson | 55 | 96.49% |
| United States Senate | Dewey | LAPLANT | DEM | Tim Johnson | 57 | 93.44% |
| United States Senate | Dewey | NO HEART (Including: EB NORTH) | DEM | Tim Johnson | 271 | 84.16% |
| United States Senate | Dewey | EB SOUTH | DEM | Tim Johnson | 315 | 89.74% |
| United States Senate | Dewey | EB WEST GREEN GRASS | DEM | Tim Johnson | 145 | 82.39% |
| United States Senate | Douglas | #1 | REP | Joel Dykstra | 216 | 56.99% |
| United States Senate | Douglas | #2 | REP | Joel Dykstra | 167 | 46.65% |
| United States Senate | Douglas | #3 | REP | Joel Dykstra | 148 | 47.13% |
| United States Senate | Douglas | #4 | REP | Joel Dykstra | 143 | 36.67% |
| United States Senate | Douglas | #5 | REP | Joel Dykstra | 174 | 55.77% |
| United States Senate | Douglas | #1 | DEM | Tim Johnson | 163 | 43.01% |
| United States Senate | Douglas | #2 | DEM | Tim Johnson | 191 | 53.35% |
| United States Senate | Douglas | #3 | DEM | Tim Johnson | 166 | 52.87% |
| United States Senate | Douglas | #4 | DEM | Tim Johnson | 247 | 63.33% |
| United States Senate | Douglas | #5 | DEM | Tim Johnson | 138 | 44.23% |
| United States Senate | Edmunds | #1 | REP | Joel Dykstra | 191 | 40.90% |
| United States Senate | Edmunds | #2 | REP | Joel Dykstra | 180 | 36.89% |
| United States Senate | Edmunds | #3 | REP | Joel Dykstra | 94 | 43.72% |
| United States Senate | Edmunds | #4 | REP | Joel Dykstra | 22 | 26.51% |
| United States Senate | Edmunds | #5 | REP | Joel Dykstra | 76 | 30.28% |
| United States Senate | Edmunds | #6 | REP | Joel Dykstra | 64 | 38.32% |
| United States Senate | Edmunds | #7 | REP | Joel Dykstra | 131 | 31.80% |
| United States Senate | Edmunds | #1 | DEM | Tim Johnson | 276 | 59.10% |
| United States Senate | Edmunds | #2 | DEM | Tim Johnson | 308 | 63.11% |
| United States Senate | Edmunds | #3 | DEM | Tim Johnson | 121 | 56.28% |
| United States Senate | Edmunds | #4 | DEM | Tim Johnson | 61 | 73.49% |
| United States Senate | Edmunds | #5 | DEM | Tim Johnson | 175 | 69.72% |
| United States Senate | Edmunds | #6 | DEM | Tim Johnson | 103 | 61.68% |
| United States Senate | Edmunds | #7 | DEM | Tim Johnson | 281 | 68.20% |
| United States Senate | Fall River | Argentine | REP | Joel Dykstra | 71 | 63.96% |
| United States Senate | Fall River | Beaver | REP | Joel Dykstra | 64 | 58.18% |
| United States Senate | Fall River | Cascade | REP | Joel Dykstra | 84 | 51.53% |
| United States Senate | Fall River | Cottonwood | REP | Joel Dykstra | 42 | 66.67% |
| United States Senate | Fall River | Edgemont 1 | REP | Joel Dykstra | 52 | 37.68% |
| United States Senate | Fall River | Edgemont 2 | REP | Joel Dykstra | 63 | 44.68% |
| United States Senate | Fall River | Edgemont 3 | REP | Joel Dykstra | 61 | 48.41% |
| United States Senate | Fall River | Hot Springs 1 | REP | Joel Dykstra | 112 | 36.13% |
| United States Senate | Fall River | Hot Springs 2A | REP | Joel Dykstra | 151 | 39.74% |
| United States Senate | Fall River | Hot Springs 2B | REP | Joel Dykstra | 77 | 34.38% |
| United States Senate | Fall River | Hot Springs 3 | REP | Joel Dykstra | 216 | 41.06% |
| United States Senate | Fall River | Hot Springs 4 | REP | Joel Dykstra | 137 | 35.68% |
| United States Senate | Fall River | Jackson | REP | Joel Dykstra | 430 | 50.65% |
| United States Senate | Fall River | Limestone | REP | Joel Dykstra | 75 | 66.37% |
| United States Senate | Fall River | Oelrichs | REP | Joel Dykstra | 26 | 37.14% |
| United States Senate | Fall River | Smithwick | REP | Joel Dykstra | 49 | 70.00% |
| United States Senate | Fall River | Argentine | DEM | Tim Johnson | 40 | 36.04% |
| United States Senate | Fall River | Beaver | DEM | Tim Johnson | 46 | 41.82% |
| United States Senate | Fall River | Cascade | DEM | Tim Johnson | 79 | 48.47% |
| United States Senate | Fall River | Cottonwood | DEM | Tim Johnson | 21 | 33.33% |
| United States Senate | Fall River | Edgemont 1 | DEM | Tim Johnson | 86 | 62.32% |
| United States Senate | Fall River | Edgemont 2 | DEM | Tim Johnson | 78 | 55.32% |
| United States Senate | Fall River | Edgemont 3 | DEM | Tim Johnson | 65 | 51.59% |
| United States Senate | Fall River | Hot Springs 1 | DEM | Tim Johnson | 198 | 63.87% |
| United States Senate | Fall River | Hot Springs 2A | DEM | Tim Johnson | 229 | 60.26% |
| United States Senate | Fall River | Hot Springs 2B | DEM | Tim Johnson | 147 | 65.63% |
| United States Senate | Fall River | Hot Springs 3 | DEM | Tim Johnson | 310 | 58.94% |
| United States Senate | Fall River | Hot Springs 4 | DEM | Tim Johnson | 247 | 64.32% |
| United States Senate | Fall River | Jackson | DEM | Tim Johnson | 419 | 49.35% |
| United States Senate | Fall River | Limestone | DEM | Tim Johnson | 38 | 33.63% |
| United States Senate | Fall River | Oelrichs | DEM | Tim Johnson | 44 | 62.86% |
| United States Senate | Fall River | Smithwick | DEM | Tim Johnson | 21 | 30.00% |
| United States Senate | Faulk | #1 | REP | Joel Dykstra | 93 | 46.97% |
| United States Senate | Faulk | #2 | REP | Joel Dykstra | 48 | 48.00% |
| United States Senate | Faulk | #3 | REP | Joel Dykstra | 59 | 37.82% |
| United States Senate | Faulk | #4 | REP | Joel Dykstra | 39 | 38.61% |
| United States Senate | Faulk | #5 | REP | Joel Dykstra | 30 | 31.91% |
| United States Senate | Faulk | #6 | REP | Joel Dykstra | 96 | 35.04% |
| United States Senate | Faulk | #7 | REP | Joel Dykstra | 74 | 26.52% |
| United States Senate | Faulk | #1 | DEM | Tim Johnson | 105 | 53.03% |
| United States Senate | Faulk | #2 | DEM | Tim Johnson | 52 | 52.00% |
| United States Senate | Faulk | #3 | DEM | Tim Johnson | 97 | 62.18% |
| United States Senate | Faulk | #4 | DEM | Tim Johnson | 62 | 61.39% |
| United States Senate | Faulk | #5 | DEM | Tim Johnson | 64 | 68.09% |
| United States Senate | Faulk | #6 | DEM | Tim Johnson | 178 | 64.96% |
| United States Senate | Faulk | #7 | DEM | Tim Johnson | 205 | 73.48% |
| United States Senate | Grant | Milbank 11 | REP | Joel Dykstra | 23 | 26.44% |
| United States Senate | Grant | Milbank 12 | REP | Joel Dykstra | 108 | 27.55% |
| United States Senate | Grant | Milbank 21 | REP | Joel Dykstra | 76 | 43.18% |
| United States Senate | Grant | Milbank 22 | REP | Joel Dykstra | 163 | 31.59% |
| United States Senate | Grant | Milbank 31 | REP | Joel Dykstra | 26 | 28.57% |
| United States Senate | Grant | Milbank 32 | REP | Joel Dykstra | 31 | 25.41% |
| United States Senate | Grant | Milbank 33 | REP | Joel Dykstra | 137 | 41.39% |
| United States Senate | Grant | Adams-Albee-Revillo-Vernon | REP | Joel Dykstra | 68 | 24.37% |
| United States Senate | Grant | Alban | REP | Joel Dykstra | 98 | 33.68% |
| United States Senate | Grant | Big Stone City & Twp | REP | Joel Dykstra | 143 | 31.57% |
| United States Senate | Grant | Blooming Val-Farm-Lura | REP | Joel Dykstra | 38 | 32.20% |
| United States Senate | Grant | Georgia-Madison-LaBolt | REP | Joel Dykstra | 56 | 35.22% |
| United States Senate | Grant | Grant Center | REP | Joel Dykstra | 58 | 30.37% |
| United States Senate | Grant | Melrose | REP | Joel Dykstra | 74 | 36.10% |
| United States Senate | Grant | Mazeppa-Osceola-Marvin | REP | Joel Dykstra | 28 | 23.14% |
| United States Senate | Grant | Stockholm Town & Twp | REP | Joel Dykstra | 29 | 33.72% |
| United States Senate | Grant | Troy-Strandburg | REP | Joel Dykstra | 18 | 33.33% |
| United States Senate | Grant | Twin Brooks-Kilborn | REP | Joel Dykstra | 34 | 22.08% |
| United States Senate | Grant | Milbank 11 | DEM | Tim Johnson | 64 | 73.56% |
| United States Senate | Grant | Milbank 12 | DEM | Tim Johnson | 284 | 72.45% |
| United States Senate | Grant | Milbank 21 | DEM | Tim Johnson | 100 | 56.82% |
| United States Senate | Grant | Milbank 22 | DEM | Tim Johnson | 353 | 68.41% |
| United States Senate | Grant | Milbank 31 | DEM | Tim Johnson | 65 | 71.43% |
| United States Senate | Grant | Milbank 32 | DEM | Tim Johnson | 91 | 74.59% |
| United States Senate | Grant | Milbank 33 | DEM | Tim Johnson | 194 | 58.61% |
| United States Senate | Grant | Adams-Albee-Revillo-Vernon | DEM | Tim Johnson | 211 | 75.63% |
| United States Senate | Grant | Alban | DEM | Tim Johnson | 193 | 66.32% |
| United States Senate | Grant | Big Stone City & Twp | DEM | Tim Johnson | 310 | 68.43% |
| United States Senate | Grant | Blooming Val-Farm-Lura | DEM | Tim Johnson | 80 | 67.80% |
| United States Senate | Grant | Georgia-Madison-LaBolt | DEM | Tim Johnson | 103 | 64.78% |
| United States Senate | Grant | Grant Center | DEM | Tim Johnson | 133 | 69.63% |
| United States Senate | Grant | Melrose | DEM | Tim Johnson | 131 | 63.90% |
| United States Senate | Grant | Mazeppa-Osceola-Marvin | DEM | Tim Johnson | 93 | 76.86% |
| United States Senate | Grant | Stockholm Town & Twp | DEM | Tim Johnson | 57 | 66.28% |
| United States Senate | Grant | Troy-Strandburg | DEM | Tim Johnson | 36 | 66.67% |
| United States Senate | Grant | Twin Brooks-Kilborn | DEM | Tim Johnson | 120 | 77.92% |
| United States Senate | Gregory | #1 | REP | Joel Dykstra | 449 | 43.30% |
| United States Senate | Gregory | #2 | REP | Joel Dykstra | 362 | 43.56% |
| United States Senate | Gregory | #3 | REP | Joel Dykstra | 193 | 47.77% |
| United States Senate | Gregory | #1 | DEM | Tim Johnson | 588 | 56.70% |
| United States Senate | Gregory | #2 | DEM | Tim Johnson | 469 | 56.44% |
| United States Senate | Gregory | #3 | DEM | Tim Johnson | 211 | 52.23% |
| United States Senate | Haakon | Deadman | REP | Joel Dykstra | 120 | 52.63% |
| United States Senate | Haakon | Kirley | REP | Joel Dykstra | 27 | 49.09% |
| United States Senate | Haakon | Lake Waggoner | REP | Joel Dykstra | 142 | 49.48% |
| United States Senate | Haakon | Midland | REP | Joel Dykstra | 130 | 55.56% |
| United States Senate | Haakon | Milesville | REP | Joel Dykstra | 83 | 66.40% |
| United States Senate | Haakon | South Fork | REP | Joel Dykstra | 106 | 46.09% |
| United States Senate | Haakon | Deadman | DEM | Tim Johnson | 108 | 47.37% |
| United States Senate | Haakon | Kirley | DEM | Tim Johnson | 28 | 50.91% |
| United States Senate | Haakon | Lake Waggoner | DEM | Tim Johnson | 145 | 50.52% |
| United States Senate | Haakon | Midland | DEM | Tim Johnson | 104 | 44.44% |
| United States Senate | Haakon | Milesville | DEM | Tim Johnson | 42 | 33.60% |
| United States Senate | Haakon | South Fork | DEM | Tim Johnson | 124 | 53.91% |
| United States Senate | Hamlin | Oxford | REP | Joel Dykstra | 70 | 48.61% |
| United States Senate | Hamlin | Norden | REP | Joel Dykstra | 308 | 51.59% |
| United States Senate | Hamlin | Hayti | REP | Joel Dykstra | 225 | 51.02% |
| United States Senate | Hamlin | Bryant | REP | Joel Dykstra | 108 | 35.06% |
| United States Senate | Hamlin | Castlewood | REP | Joel Dykstra | 256 | 40.96% |
| United States Senate | Hamlin | Hazel | REP | Joel Dykstra | 89 | 63.57% |
| United States Senate | Hamlin | Estelline | REP | Joel Dykstra | 144 | 26.77% |
| United States Senate | Hamlin | Oxford | DEM | Tim Johnson | 74 | 51.39% |
| United States Senate | Hamlin | Norden | DEM | Tim Johnson | 289 | 48.41% |
| United States Senate | Hamlin | Hayti | DEM | Tim Johnson | 216 | 48.98% |
| United States Senate | Hamlin | Bryant | DEM | Tim Johnson | 200 | 64.94% |
| United States Senate | Hamlin | Castlewood | DEM | Tim Johnson | 369 | 59.04% |
| United States Senate | Hamlin | Hazel | DEM | Tim Johnson | 51 | 36.43% |
| United States Senate | Hamlin | Estelline | DEM | Tim Johnson | 394 | 73.23% |
| United States Senate | Hand | 01 | REP | Joel Dykstra | 67 | 44.08% |
| United States Senate | Hand | 02 | REP | Joel Dykstra | 35 | 37.23% |
| United States Senate | Hand | 03 | REP | Joel Dykstra | 33 | 35.11% |
| United States Senate | Hand | 04 | REP | Joel Dykstra | 26 | 44.83% |
| United States Senate | Hand | 05 (Including: 08) | REP | Joel Dykstra | 66 | 40.24% |
| United States Senate | Hand | 06 | REP | Joel Dykstra | 60 | 31.58% |
| United States Senate | Hand | 07 | REP | Joel Dykstra | 42 | 30.43% |
| United States Senate | Hand | 09 (Including: 10) | REP | Joel Dykstra | 94 | 65.28% |
| United States Senate | Hand | 11 | REP | Joel Dykstra | 169 | 35.81% |
| United States Senate | Hand | 12 | REP | Joel Dykstra | 183 | 36.24% |
| United States Senate | Hand | 01 | DEM | Tim Johnson | 85 | 55.92% |
| United States Senate | Hand | 02 | DEM | Tim Johnson | 59 | 62.77% |
| United States Senate | Hand | 03 | DEM | Tim Johnson | 61 | 64.89% |
| United States Senate | Hand | 04 | DEM | Tim Johnson | 32 | 55.17% |
| United States Senate | Hand | 05 (Including: 08) | DEM | Tim Johnson | 98 | 59.76% |
| United States Senate | Hand | 06 | DEM | Tim Johnson | 130 | 68.42% |
| United States Senate | Hand | 07 | DEM | Tim Johnson | 96 | 69.57% |
| United States Senate | Hand | 09 (Including: 10) | DEM | Tim Johnson | 50 | 34.72% |
| United States Senate | Hand | 11 | DEM | Tim Johnson | 303 | 64.19% |
| United States Senate | Hand | 12 | DEM | Tim Johnson | 322 | 63.76% |
| United States Senate | Hanson | #1 - Emery Fire Hall | REP | Joel Dykstra | 642 | 55.25% |
| United States Senate | Hanson | #2 - Alex City Hall | REP | Joel Dykstra | 120 | 30.61% |
| United States Senate | Hanson | #3 - Fulton Community Hall | REP | Joel Dykstra | 95 | 34.42% |
| United States Senate | Hanson | #4 - Fulton Community Hall | REP | Joel Dykstra | 179 | 57.74% |
| United States Senate | Hanson | #5 - Extension Bldg | REP | Joel Dykstra | 71 | 39.89% |
| United States Senate | Hanson | #1 - Emery Fire Hall | DEM | Tim Johnson | 520 | 44.75% |
| United States Senate | Hanson | #2 - Alex City Hall | DEM | Tim Johnson | 272 | 69.39% |
| United States Senate | Hanson | #3 - Fulton Community Hall | DEM | Tim Johnson | 181 | 65.58% |
| United States Senate | Hanson | #4 - Fulton Community Hall | DEM | Tim Johnson | 131 | 42.26% |
| United States Senate | Hanson | #5 - Extension Bldg | DEM | Tim Johnson | 107 | 60.11% |
| United States Senate | Harding | Buffalo | REP | Joel Dykstra | 76 | 52.78% |
| United States Senate | Harding | Camp Crook | REP | Joel Dykstra | 64 | 48.85% |
| United States Senate | Harding | Fillmore | REP | Joel Dykstra | 32 | 62.75% |
| United States Senate | Harding | Govert | REP | Joel Dykstra | 20 | 76.92% |
| United States Senate | Harding | Hilton | REP | Joel Dykstra | 74 | 62.71% |
| United States Senate | Harding | Ladner | REP | Joel Dykstra | 31 | 83.78% |
| United States Senate | Harding | Ludlow | REP | Joel Dykstra | 32 | 56.14% |
| United States Senate | Harding | Poplar Grove | REP | Joel Dykstra | 40 | 67.80% |
| United States Senate | Harding | Reva | REP | Joel Dykstra | 70 | 81.40% |
| United States Senate | Harding | Vessey | REP | Joel Dykstra | 13 | 48.15% |
| United States Senate | Harding | Buffalo | DEM | Tim Johnson | 68 | 47.22% |
| United States Senate | Harding | Camp Crook | DEM | Tim Johnson | 67 | 51.15% |
| United States Senate | Harding | Fillmore | DEM | Tim Johnson | 19 | 37.25% |
| United States Senate | Harding | Govert | DEM | Tim Johnson | 6 | 23.08% |
| United States Senate | Harding | Hilton | DEM | Tim Johnson | 44 | 37.29% |
| United States Senate | Harding | Ladner | DEM | Tim Johnson | 6 | 16.22% |
| United States Senate | Harding | Ludlow | DEM | Tim Johnson | 25 | 43.86% |
| United States Senate | Harding | Poplar Grove | DEM | Tim Johnson | 19 | 32.20% |
| United States Senate | Harding | Reva | DEM | Tim Johnson | 16 | 18.60% |
| United States Senate | Harding | Vessey | DEM | Tim Johnson | 14 | 51.85% |
| United States Senate | Hughes | #5-Blunt City Hall | REP | Joel Dykstra | 131 | 49.81% |
| United States Senate | Hughes | #7-Harrold Fire Hall | REP | Joel Dykstra | 53 | 41.73% |
| United States Senate | Hughes | #9-Hyde | REP | Joel Dykstra | 18 | 17.65% |
| United States Senate | Hughes | #11-Rural New Life Assembly Chu | REP | Joel Dykstra | 524 | 46.09% |
| United States Senate | Hughes | #21-Pierre City Auditorium | REP | Joel Dykstra | 217 | 38.41% |
| United States Senate | Hughes | #23-Pierre PILC Rec Center | REP | Joel Dykstra | 210 | 35.71% |
| United States Senate | Hughes | #24-Pierre Buchanan School | REP | Joel Dykstra | 258 | 35.98% |
| United States Senate | Hughes | #26-Pierre Riggs Theater | REP | Joel Dykstra | 245 | 39.97% |
| United States Senate | Hughes | #28-Pierre Courthouse | REP | Joel Dykstra | 269 | 39.73% |
| United States Senate | Hughes | #29-Pierre Senior Citizen's Cen | REP | Joel Dykstra | 139 | 37.37% |
| United States Senate | Hughes | #30-Pierre Faith Lutheran Churc | REP | Joel Dykstra | 215 | 34.13% |
| United States Senate | Hughes | #31-Pierre Poplar Ave Fire Stat | REP | Joel Dykstra | 373 | 43.52% |
| United States Senate | Hughes | #32-Pierre 7th Day Adv Church | REP | Joel Dykstra | 217 | 40.19% |
| United States Senate | Hughes | #33-Pierre Resurrection Church | REP | Joel Dykstra | 216 | 39.49% |
| United States Senate | Hughes | #34-Pierre No. 4 Fire Station | REP | Joel Dykstra | 321 | 44.21% |
| United States Senate | Hughes | #5-Blunt City Hall | DEM | Tim Johnson | 132 | 50.19% |
| United States Senate | Hughes | #7-Harrold Fire Hall | DEM | Tim Johnson | 74 | 58.27% |
| United States Senate | Hughes | #9-Hyde | DEM | Tim Johnson | 84 | 82.35% |
| United States Senate | Hughes | #11-Rural New Life Assembly Chu | DEM | Tim Johnson | 613 | 53.91% |
| United States Senate | Hughes | #21-Pierre City Auditorium | DEM | Tim Johnson | 348 | 61.59% |
| United States Senate | Hughes | #23-Pierre PILC Rec Center | DEM | Tim Johnson | 378 | 64.29% |
| United States Senate | Hughes | #24-Pierre Buchanan School | DEM | Tim Johnson | 459 | 64.02% |
| United States Senate | Hughes | #26-Pierre Riggs Theater | DEM | Tim Johnson | 368 | 60.03% |
| United States Senate | Hughes | #28-Pierre Courthouse | DEM | Tim Johnson | 408 | 60.27% |
| United States Senate | Hughes | #29-Pierre Senior Citizen's Cen | DEM | Tim Johnson | 233 | 62.63% |
| United States Senate | Hughes | #30-Pierre Faith Lutheran Churc | DEM | Tim Johnson | 415 | 65.87% |
| United States Senate | Hughes | #31-Pierre Poplar Ave Fire Stat | DEM | Tim Johnson | 484 | 56.48% |
| United States Senate | Hughes | #32-Pierre 7th Day Adv Church | DEM | Tim Johnson | 323 | 59.81% |
| United States Senate | Hughes | #33-Pierre Resurrection Church | DEM | Tim Johnson | 331 | 60.51% |
| United States Senate | Hughes | #34-Pierre No. 4 Fire Station | DEM | Tim Johnson | 405 | 55.79% |
| United States Senate | Hutchinson | #1 | REP | Joel Dykstra | 344 | 44.91% |
| United States Senate | Hutchinson | #2 | REP | Joel Dykstra | 368 | 44.55% |
| United States Senate | Hutchinson | #3 | REP | Joel Dykstra | 75 | 56.39% |
| United States Senate | Hutchinson | #4 | REP | Joel Dykstra | 116 | 27.04% |
| United States Senate | Hutchinson | #5 | REP | Joel Dykstra | 265 | 34.42% |
| United States Senate | Hutchinson | #6 | REP | Joel Dykstra | 210 | 42.42% |
| United States Senate | Hutchinson | #7 | REP | Joel Dykstra | 70 | 37.04% |
| United States Senate | Hutchinson | #1 | DEM | Tim Johnson | 422 | 55.09% |
| United States Senate | Hutchinson | #2 | DEM | Tim Johnson | 458 | 55.45% |
| United States Senate | Hutchinson | #3 | DEM | Tim Johnson | 58 | 43.61% |
| United States Senate | Hutchinson | #4 | DEM | Tim Johnson | 313 | 72.96% |
| United States Senate | Hutchinson | #5 | DEM | Tim Johnson | 505 | 65.58% |
| United States Senate | Hutchinson | #6 | DEM | Tim Johnson | 285 | 57.58% |
| United States Senate | Hutchinson | #7 | DEM | Tim Johnson | 119 | 62.96% |
| United States Senate | Hyde | #1 | REP | Joel Dykstra | 85 | 43.15% |
| United States Senate | Hyde | #2 | REP | Joel Dykstra | 85 | 42.29% |
| United States Senate | Hyde | #3 | REP | Joel Dykstra | 52 | 46.02% |
| United States Senate | Hyde | #4 | REP | Joel Dykstra | 91 | 40.99% |
| United States Senate | Hyde | #5 | REP | Joel Dykstra | 22 | 33.85% |
| United States Senate | Hyde | #1 | DEM | Tim Johnson | 112 | 56.85% |
| United States Senate | Hyde | #2 | DEM | Tim Johnson | 116 | 57.71% |
| United States Senate | Hyde | #3 | DEM | Tim Johnson | 61 | 53.98% |
| United States Senate | Hyde | #4 | DEM | Tim Johnson | 131 | 59.01% |
| United States Senate | Hyde | #5 | DEM | Tim Johnson | 43 | 66.15% |
| United States Senate | Jackson | 01 Cottonwood | REP | Joel Dykstra | 23 | 52.27% |
| United States Senate | Jackson | 02 Interior | REP | Joel Dykstra | 50 | 46.73% |
| United States Senate | Jackson | 03 Kadoka | REP | Joel Dykstra | 153 | 53.31% |
| United States Senate | Jackson | 04 Kadoka | REP | Joel Dykstra | 76 | 45.24% |
| United States Senate | Jackson | 05 Belvidere | REP | Joel Dykstra | 33 | 37.93% |
| United States Senate | Jackson | 06 Long Valley | REP | Joel Dykstra | 55 | 49.55% |
| United States Senate | Jackson | 07 Wanblee | REP | Joel Dykstra | 32 | 12.60% |
| United States Senate | Jackson | 08 Green Valley | REP | Joel Dykstra | 26 | 34.21% |
| United States Senate | Jackson | 01 Cottonwood | DEM | Tim Johnson | 21 | 47.73% |
| United States Senate | Jackson | 02 Interior | DEM | Tim Johnson | 57 | 53.27% |
| United States Senate | Jackson | 03 Kadoka | DEM | Tim Johnson | 134 | 46.69% |
| United States Senate | Jackson | 04 Kadoka | DEM | Tim Johnson | 92 | 54.76% |
| United States Senate | Jackson | 05 Belvidere | DEM | Tim Johnson | 54 | 62.07% |
| United States Senate | Jackson | 06 Long Valley | DEM | Tim Johnson | 56 | 50.45% |
| United States Senate | Jackson | 07 Wanblee | DEM | Tim Johnson | 222 | 87.40% |
| United States Senate | Jackson | 08 Green Valley | DEM | Tim Johnson | 50 | 65.79% |
| United States Senate | Jerauld | 1 | REP | Joel Dykstra | 174 | 29.90% |
| United States Senate | Jerauld | 2 | REP | Joel Dykstra | 52 | 32.70% |
| United States Senate | Jerauld | 3 | REP | Joel Dykstra | 42 | 28.77% |
| United States Senate | Jerauld | 4 | REP | Joel Dykstra | 41 | 38.68% |
| United States Senate | Jerauld | 5 | REP | Joel Dykstra | 32 | 26.23% |
| United States Senate | Jerauld | 1 | DEM | Tim Johnson | 408 | 70.10% |
| United States Senate | Jerauld | 2 | DEM | Tim Johnson | 107 | 67.30% |
| United States Senate | Jerauld | 3 | DEM | Tim Johnson | 104 | 71.23% |
| United States Senate | Jerauld | 4 | DEM | Tim Johnson | 65 | 61.32% |
| United States Senate | Jerauld | 5 | DEM | Tim Johnson | 90 | 73.77% |
| United States Senate | Jones | #1 | REP | Joel Dykstra | 117 | 57.35% |
| United States Senate | Jones | #3 | REP | Joel Dykstra | 106 | 47.96% |
| United States Senate | Jones | #5 | REP | Joel Dykstra | 95 | 48.47% |
| United States Senate | Jones | #1 | DEM | Tim Johnson | 87 | 42.65% |
| United States Senate | Jones | #3 | DEM | Tim Johnson | 115 | 52.04% |
| United States Senate | Jones | #5 | DEM | Tim Johnson | 101 | 51.53% |
| United States Senate | Kingsbury | Lake Preston Precinct | REP | Joel Dykstra | 133 | 29.82% |
| United States Senate | Kingsbury | Oldham Precinct | REP | Joel Dykstra | 77 | 30.31% |
| United States Senate | Kingsbury | Iroquois Precinct | REP | Joel Dykstra | 56 | 23.73% |
| United States Senate | Kingsbury | Badger Precinct | REP | Joel Dykstra | 83 | 25.78% |
| United States Senate | Kingsbury | Arlington Precinct | REP | Joel Dykstra | 156 | 25.87% |
| United States Senate | Kingsbury | DeSmet Precinct | REP | Joel Dykstra | 293 | 30.97% |
| United States Senate | Kingsbury | Lake Preston Precinct | DEM | Tim Johnson | 313 | 70.18% |
| United States Senate | Kingsbury | Oldham Precinct | DEM | Tim Johnson | 177 | 69.69% |
| United States Senate | Kingsbury | Iroquois Precinct | DEM | Tim Johnson | 180 | 76.27% |
| United States Senate | Kingsbury | Badger Precinct | DEM | Tim Johnson | 239 | 74.22% |
| United States Senate | Kingsbury | Arlington Precinct | DEM | Tim Johnson | 447 | 74.13% |
| United States Senate | Kingsbury | DeSmet Precinct | DEM | Tim Johnson | 653 | 69.03% |
| United States Senate | Lake | Chester (Including: Franklin) | REP | Joel Dykstra | 146 | 30.10% |
| United States Senate | Lake | Wentworth (Including: Rutland, Wentworth Village) | REP | Joel Dykstra | 144 | 33.64% |
| United States Senate | Lake | Nunda (Including: Nunda Village, Summit) | REP | Joel Dykstra | 53 | 32.52% |
| United States Senate | Lake | Concord (Including: Badus, Ramona Village, Wayne) | REP | Joel Dykstra | 57 | 21.03% |
| United States Senate | Lake | Herman (Including: Winfred) | REP | Joel Dykstra | 131 | 29.77% |
| United States Senate | Lake | Farmington (Including: Clarno, Leroy, Orland) | REP | Joel Dykstra | 151 | 41.37% |
| United States Senate | Lake | Lakeview | REP | Joel Dykstra | 185 | 39.36% |
| United States Senate | Lake | Ward 1 Precinct 1 (Including: Ward 1 Precinct 2, Ward 1 Precinct 3, Ward 1 Precinct 4) | REP | Joel Dykstra | 736 | 38.78% |
| United States Senate | Lake | Ward 2 Precinct 1 (Including: Ward 2 Precinct 2, Ward 2 Precinct 3) | REP | Joel Dykstra | 219 | 25.47% |
| United States Senate | Lake | Ward 3 Precinct 1 (Including: Ward 3 Precinct 2, Ward 3 Precinct 3) | REP | Joel Dykstra | 199 | 27.37% |
| United States Senate | Lake | Chester (Including: Franklin) | DEM | Tim Johnson | 339 | 69.90% |
| United States Senate | Lake | Wentworth (Including: Rutland, Wentworth Village) | DEM | Tim Johnson | 284 | 66.36% |
| United States Senate | Lake | Nunda (Including: Nunda Village, Summit) | DEM | Tim Johnson | 110 | 67.48% |
| United States Senate | Lake | Concord (Including: Badus, Ramona Village, Wayne) | DEM | Tim Johnson | 214 | 78.97% |
| United States Senate | Lake | Herman (Including: Winfred) | DEM | Tim Johnson | 309 | 70.23% |
| United States Senate | Lake | Farmington (Including: Clarno, Leroy, Orland) | DEM | Tim Johnson | 214 | 58.63% |
| United States Senate | Lake | Lakeview | DEM | Tim Johnson | 285 | 60.64% |
| United States Senate | Lake | Ward 1 Precinct 1 (Including: Ward 1 Precinct 2, Ward 1 Precinct 3, Ward 1 Precinct 4) | DEM | Tim Johnson | 1162 | 61.22% |
| United States Senate | Lake | Ward 2 Precinct 1 (Including: Ward 2 Precinct 2, Ward 2 Precinct 3) | DEM | Tim Johnson | 641 | 74.53% |
| United States Senate | Lake | Ward 3 Precinct 1 (Including: Ward 3 Precinct 2, Ward 3 Precinct 3) | DEM | Tim Johnson | 528 | 72.63% |
| United States Senate | Lawrence | Spearfish Ward 1 | REP | Joel Dykstra | 347 | 45.54% |
| United States Senate | Lawrence | Spearfish Ward 2 | REP | Joel Dykstra | 456 | 43.18% |
| United States Senate | Lawrence | Spearfish Ward 3 | REP | Joel Dykstra | 526 | 48.17% |
| United States Senate | Lawrence | Lead | REP | Joel Dykstra | 286 | 29.89% |
| United States Senate | Lawrence | Deadwood | REP | Joel Dykstra | 101 | 25.90% |
| United States Senate | Lawrence | Nemo | REP | Joel Dykstra | 105 | 44.49% |
| United States Senate | Lawrence | Rural #1 | REP | Joel Dykstra | 250 | 45.05% |
| United States Senate | Lawrence | St Onge | REP | Joel Dykstra | 162 | 51.92% |
| United States Senate | Lawrence | Whitewood | REP | Joel Dykstra | 241 | 37.89% |
| United States Senate | Lawrence | Valley 1 | REP | Joel Dykstra | 352 | 51.46% |
| United States Senate | Lawrence | Valley 2 | REP | Joel Dykstra | 377 | 50.47% |
| United States Senate | Lawrence | Absentee Precinct | REP | Joel Dykstra | 2091 | 46.03% |
| United States Senate | Lawrence | Spearfish Ward 1 | DEM | Tim Johnson | 415 | 54.46% |
| United States Senate | Lawrence | Spearfish Ward 2 | DEM | Tim Johnson | 600 | 56.82% |
| United States Senate | Lawrence | Spearfish Ward 3 | DEM | Tim Johnson | 566 | 51.83% |
| United States Senate | Lawrence | Lead | DEM | Tim Johnson | 671 | 70.11% |
| United States Senate | Lawrence | Deadwood | DEM | Tim Johnson | 289 | 74.10% |
| United States Senate | Lawrence | Nemo | DEM | Tim Johnson | 131 | 55.51% |
| United States Senate | Lawrence | Rural #1 | DEM | Tim Johnson | 305 | 54.95% |
| United States Senate | Lawrence | St Onge | DEM | Tim Johnson | 150 | 48.08% |
| United States Senate | Lawrence | Whitewood | DEM | Tim Johnson | 395 | 62.11% |
| United States Senate | Lawrence | Valley 1 | DEM | Tim Johnson | 332 | 48.54% |
| United States Senate | Lawrence | Valley 2 | DEM | Tim Johnson | 370 | 49.53% |
| United States Senate | Lawrence | Absentee Precinct | DEM | Tim Johnson | 2452 | 53.97% |
| United States Senate | Lincoln | Hudson/Eden Township | REP | Joel Dykstra | 76 | 34.55% |
| United States Senate | Lincoln | Norway Township | REP | Joel Dykstra | 49 | 34.75% |
| United States Senate | Lincoln | Beresford/Pleasant/Brooklyn | REP | Joel Dykstra | 156 | 35.06% |
| United States Senate | Lincoln | Highland/Canton Township | REP | Joel Dykstra | 166 | 37.90% |
| United States Senate | Lincoln | Canton 1,2,3 | REP | Joel Dykstra | 361 | 37.64% |
| United States Senate | Lincoln | Canton 4 & 5 | REP | Joel Dykstra | 215 | 36.26% |
| United States Senate | Lincoln | Lincoln Township | REP | Joel Dykstra | 29 | 26.61% |
| United States Senate | Lincoln | Delaware Township | REP | Joel Dykstra | 38 | 37.62% |
| United States Senate | Lincoln | Worthing/Lynn Township | REP | Joel Dykstra | 177 | 31.16% |
| United States Senate | Lincoln | Perry Township | REP | Joel Dykstra | 155 | 39.74% |
| United States Senate | Lincoln | Grant Township | REP | Joel Dykstra | 70 | 34.15% |
| United States Senate | Lincoln | Lennox City | REP | Joel Dykstra | 311 | 31.19% |
| United States Senate | Lincoln | Dayton Township | REP | Joel Dykstra | 154 | 42.54% |
| United States Senate | Lincoln | LaValley Township | REP | Joel Dykstra | 129 | 47.78% |
| United States Senate | Lincoln | Harrisburg | REP | Joel Dykstra | 522 | 36.40% |
| United States Senate | Lincoln | Springdale Township | REP | Joel Dykstra | 560 | 48.65% |
| United States Senate | Lincoln | Fairview Inc/Fairview Township | REP | Joel Dykstra | 67 | 50.00% |
| United States Senate | Lincoln | Delapre Township | REP | Joel Dykstra | 434 | 43.57% |
| United States Senate | Lincoln | Tea City | REP | Joel Dykstra | 502 | 36.97% |
| United States Senate | Lincoln | Sioux Falls 1-14 | REP | Joel Dykstra | 243 | 37.16% |
| United States Senate | Lincoln | Sioux Falls 1-13 | REP | Joel Dykstra | 255 | 34.05% |
| United States Senate | Lincoln | Sioux Falls 1-12 | REP | Joel Dykstra | 593 | 44.32% |
| United States Senate | Lincoln | Sioux Falls 1-11 | REP | Joel Dykstra | 836 | 50.48% |
| United States Senate | Lincoln | Sioux Falls 1-16 | REP | Joel Dykstra | 217 | 31.31% |
| United States Senate | Lincoln | Sioux Falls 2-10 | REP | Joel Dykstra | 834 | 56.01% |
| United States Senate | Lincoln | Sioux Falls 2-11 | REP | Joel Dykstra | 622 | 56.14% |
| United States Senate | Lincoln | Sioux Falls 2-12 | REP | Joel Dykstra | 307 | 45.82% |
| United States Senate | Lincoln | Sioux Falls 2-13 | REP | Joel Dykstra | 413 | 46.46% |
| United States Senate | Lincoln | Sioux Falls 2-15 | REP | Joel Dykstra | 326 | 56.30% |
| United States Senate | Lincoln | Hudson/Eden Township | DEM | Tim Johnson | 144 | 65.45% |
| United States Senate | Lincoln | Norway Township | DEM | Tim Johnson | 92 | 65.25% |
| United States Senate | Lincoln | Beresford/Pleasant/Brooklyn | DEM | Tim Johnson | 289 | 64.94% |
| United States Senate | Lincoln | Highland/Canton Township | DEM | Tim Johnson | 272 | 62.10% |
| United States Senate | Lincoln | Canton 1,2,3 | DEM | Tim Johnson | 598 | 62.36% |
| United States Senate | Lincoln | Canton 4 & 5 | DEM | Tim Johnson | 378 | 63.74% |
| United States Senate | Lincoln | Lincoln Township | DEM | Tim Johnson | 80 | 73.39% |
| United States Senate | Lincoln | Delaware Township | DEM | Tim Johnson | 63 | 62.38% |
| United States Senate | Lincoln | Worthing/Lynn Township | DEM | Tim Johnson | 391 | 68.84% |
| United States Senate | Lincoln | Perry Township | DEM | Tim Johnson | 235 | 60.26% |
| United States Senate | Lincoln | Grant Township | DEM | Tim Johnson | 135 | 65.85% |
| United States Senate | Lincoln | Lennox City | DEM | Tim Johnson | 686 | 68.81% |
| United States Senate | Lincoln | Dayton Township | DEM | Tim Johnson | 208 | 57.46% |
| United States Senate | Lincoln | LaValley Township | DEM | Tim Johnson | 141 | 52.22% |
| United States Senate | Lincoln | Harrisburg | DEM | Tim Johnson | 912 | 63.60% |
| United States Senate | Lincoln | Springdale Township | DEM | Tim Johnson | 591 | 51.35% |
| United States Senate | Lincoln | Fairview Inc/Fairview Township | DEM | Tim Johnson | 67 | 50.00% |
| United States Senate | Lincoln | Delapre Township | DEM | Tim Johnson | 562 | 56.43% |
| United States Senate | Lincoln | Tea City | DEM | Tim Johnson | 856 | 63.03% |
| United States Senate | Lincoln | Sioux Falls 1-14 | DEM | Tim Johnson | 411 | 62.84% |
| United States Senate | Lincoln | Sioux Falls 1-13 | DEM | Tim Johnson | 494 | 65.95% |
| United States Senate | Lincoln | Sioux Falls 1-12 | DEM | Tim Johnson | 745 | 55.68% |
| United States Senate | Lincoln | Sioux Falls 1-11 | DEM | Tim Johnson | 820 | 49.52% |
| United States Senate | Lincoln | Sioux Falls 1-16 | DEM | Tim Johnson | 476 | 68.69% |
| United States Senate | Lincoln | Sioux Falls 2-10 | DEM | Tim Johnson | 655 | 43.99% |
| United States Senate | Lincoln | Sioux Falls 2-11 | DEM | Tim Johnson | 486 | 43.86% |
| United States Senate | Lincoln | Sioux Falls 2-12 | DEM | Tim Johnson | 363 | 54.18% |
| United States Senate | Lincoln | Sioux Falls 2-13 | DEM | Tim Johnson | 476 | 53.54% |
| United States Senate | Lincoln | Sioux Falls 2-15 | DEM | Tim Johnson | 253 | 43.70% |
| United States Senate | Lyman | #01 IONA | REP | Joel Dykstra | 24 | 31.58% |
| United States Senate | Lyman | #04 OACOMA | REP | Joel Dykstra | 124 | 33.88% |
| United States Senate | Lyman | #06 RELIANCE | REP | Joel Dykstra | 56 | 37.33% |
| United States Senate | Lyman | #07 LOWER BRULE | REP | Joel Dykstra | 17 | 5.78% |
| United States Senate | Lyman | #09 KENNEBEC | REP | Joel Dykstra | 113 | 43.80% |
| United States Senate | Lyman | #12 PRESHO | REP | Joel Dykstra | 165 | 43.42% |
| United States Senate | Lyman | #13 VIVIAN | REP | Joel Dykstra | 72 | 58.54% |
| United States Senate | Lyman | #01 IONA | DEM | Tim Johnson | 52 | 68.42% |
| United States Senate | Lyman | #04 OACOMA | DEM | Tim Johnson | 242 | 66.12% |
| United States Senate | Lyman | #06 RELIANCE | DEM | Tim Johnson | 94 | 62.67% |
| United States Senate | Lyman | #07 LOWER BRULE | DEM | Tim Johnson | 277 | 94.22% |
| United States Senate | Lyman | #09 KENNEBEC | DEM | Tim Johnson | 145 | 56.20% |
| United States Senate | Lyman | #12 PRESHO | DEM | Tim Johnson | 215 | 56.58% |
| United States Senate | Lyman | #13 VIVIAN | DEM | Tim Johnson | 51 | 41.46% |
| United States Senate | Marshall | 1 | REP | Joel Dykstra | 78 | 28.06% |
| United States Senate | Marshall | 2 | REP | Joel Dykstra | 52 | 26.13% |
| United States Senate | Marshall | 3 | REP | Joel Dykstra | 79 | 25.73% |
| United States Senate | Marshall | 4 | REP | Joel Dykstra | 69 | 23.31% |
| United States Senate | Marshall | 5 | REP | Joel Dykstra | 63 | 28.90% |
| United States Senate | Marshall | 6 | REP | Joel Dykstra | 89 | 31.01% |
| United States Senate | Marshall | 7 | REP | Joel Dykstra | 50 | 27.03% |
| United States Senate | Marshall | 8 | REP | Joel Dykstra | 52 | 28.42% |
| United States Senate | Marshall | 9 | REP | Joel Dykstra | 53 | 21.54% |
| United States Senate | Marshall | 1 | DEM | Tim Johnson | 200 | 71.94% |
| United States Senate | Marshall | 2 | DEM | Tim Johnson | 147 | 73.87% |
| United States Senate | Marshall | 3 | DEM | Tim Johnson | 228 | 74.27% |
| United States Senate | Marshall | 4 | DEM | Tim Johnson | 227 | 76.69% |
| United States Senate | Marshall | 5 | DEM | Tim Johnson | 155 | 71.10% |
| United States Senate | Marshall | 6 | DEM | Tim Johnson | 198 | 68.99% |
| United States Senate | Marshall | 7 | DEM | Tim Johnson | 135 | 72.97% |
| United States Senate | Marshall | 8 | DEM | Tim Johnson | 131 | 71.58% |
| United States Senate | Marshall | 9 | DEM | Tim Johnson | 193 | 78.46% |
| United States Senate | McCook | Montrose Area-Rural | REP | Joel Dykstra | 177 | 30.36% |
| United States Senate | McCook | Spencer Area-Rural | REP | Joel Dykstra | 36 | 21.43% |
| United States Senate | McCook | Canistota Area-Rural | REP | Joel Dykstra | 262 | 42.53% |
| United States Senate | McCook | Bridgewater Area-Rural | REP | Joel Dykstra | 245 | 47.95% |
| United States Senate | McCook | Salem City | REP | Joel Dykstra | 217 | 29.85% |
| United States Senate | McCook | Salem Area-Rural | REP | Joel Dykstra | 114 | 32.11% |
| United States Senate | McCook | Montrose Area-Rural | DEM | Tim Johnson | 406 | 69.64% |
| United States Senate | McCook | Spencer Area-Rural | DEM | Tim Johnson | 132 | 78.57% |
| United States Senate | McCook | Canistota Area-Rural | DEM | Tim Johnson | 354 | 57.47% |
| United States Senate | McCook | Bridgewater Area-Rural | DEM | Tim Johnson | 266 | 52.05% |
| United States Senate | McCook | Salem City | DEM | Tim Johnson | 510 | 70.15% |
| United States Senate | McCook | Salem Area-Rural | DEM | Tim Johnson | 241 | 67.89% |
| United States Senate | McPherson | northeast Leola | REP | Joel Dykstra | 121 | 49.79% |
| United States Senate | McPherson | southeast Leola | REP | Joel Dykstra | 128 | 47.58% |
| United States Senate | McPherson | 101 | REP | Joel Dykstra | 21 | 42.00% |
| United States Senate | McPherson | central | REP | Joel Dykstra | 119 | 45.42% |
| United States Senate | McPherson | northwest | REP | Joel Dykstra | 135 | 47.70% |
| United States Senate | McPherson | southwest | REP | Joel Dykstra | 109 | 40.98% |
| United States Senate | McPherson | northeast Leola | DEM | Tim Johnson | 122 | 50.21% |
| United States Senate | McPherson | southeast Leola | DEM | Tim Johnson | 141 | 52.42% |
| United States Senate | McPherson | 101 | DEM | Tim Johnson | 29 | 58.00% |
| United States Senate | McPherson | central | DEM | Tim Johnson | 143 | 54.58% |
| United States Senate | McPherson | northwest | DEM | Tim Johnson | 148 | 52.30% |
| United States Senate | McPherson | southwest | DEM | Tim Johnson | 157 | 59.02% |
| United States Senate | Meade | Alkali #6A | REP | Joel Dykstra | 74 | 52.48% |
| United States Senate | Meade | Base #23 | REP | Joel Dykstra | 223 | 57.03% |
| United States Senate | Meade | Bear Butte #9 | REP | Joel Dykstra | 96 | 60.38% |
| United States Senate | Meade | Black Hawk #14 | REP | Joel Dykstra | 246 | 40.59% |
| United States Senate | Meade | Central Black Hawk #19 | REP | Joel Dykstra | 254 | 46.95% |
| United States Senate | Meade | Central Sturgis #3 | REP | Joel Dykstra | 115 | 39.93% |
| United States Senate | Meade | Chalk Butte #27 | REP | Joel Dykstra | 101 | 68.71% |
| United States Senate | Meade | East Piedmont #12 | REP | Joel Dykstra | 298 | 49.34% |
| United States Senate | Meade | East Sturgis #1 | REP | Joel Dykstra | 136 | 44.30% |
| United States Senate | Meade | Elk Vale #21 | REP | Joel Dykstra | 113 | 42.48% |
| United States Senate | Meade | Ellsworth #22 | REP | Joel Dykstra | 86 | 63.24% |
| United States Senate | Meade | Elm Springs #18 | REP | Joel Dykstra | 40 | 48.19% |
| United States Senate | Meade | Fairpoint #29 | REP | Joel Dykstra | 19 | 46.34% |
| United States Senate | Meade | Faith #31 | REP | Joel Dykstra | 142 | 51.45% |
| United States Senate | Meade | Harmony #8 | REP | Joel Dykstra | 156 | 48.30% |
| United States Senate | Meade | Hereford #20 | REP | Joel Dykstra | 24 | 41.38% |
| United States Senate | Meade | Marcus #41 | REP | Joel Dykstra | 31 | 51.67% |
| United States Senate | Meade | Northeast Sturgis #1A | REP | Joel Dykstra | 52 | 30.41% |
| United States Senate | Meade | Northwest Sturgis #5 | REP | Joel Dykstra | 177 | 36.20% |
| United States Senate | Meade | Piedmont #11 | REP | Joel Dykstra | 360 | 48.19% |
| United States Senate | Meade | Pine #33 | REP | Joel Dykstra | 53 | 62.35% |
| United States Senate | Meade | Red Owl #30 | REP | Joel Dykstra | 44 | 55.00% |
| United States Senate | Meade | Rural Black Hawk #15 | REP | Joel Dykstra | 517 | 47.30% |
| United States Senate | Meade | Rural Sturgis #7 | REP | Joel Dykstra | 124 | 48.25% |
| United States Senate | Meade | South Sturgis #2A | REP | Joel Dykstra | 135 | 38.68% |
| United States Senate | Meade | Southeast Piedmont #13 | REP | Joel Dykstra | 561 | 50.45% |
| United States Senate | Meade | Southeast Sturgis #2 | REP | Joel Dykstra | 246 | 47.40% |
| United States Senate | Meade | Southwest Sturgis #4A | REP | Joel Dykstra | 118 | 36.88% |
| United States Senate | Meade | Sturgis #5A | REP | Joel Dykstra | 90 | 41.10% |
| United States Senate | Meade | Sulphur #35 | REP | Joel Dykstra | 35 | 66.04% |
| United States Senate | Meade | Tilford #6 | REP | Joel Dykstra | 308 | 44.57% |
| United States Senate | Meade | Union #40 | REP | Joel Dykstra | 18 | 50.00% |
| United States Senate | Meade | Viewfield #17 | REP | Joel Dykstra | 39 | 51.32% |
| United States Senate | Meade | West Black Hawk #16 | REP | Joel Dykstra | 190 | 53.07% |
| United States Senate | Meade | West Elk Vale #24 | REP | Joel Dykstra | 83 | 46.11% |
| United States Senate | Meade | West Sturgis #4 | REP | Joel Dykstra | 75 | 40.76% |
| United States Senate | Meade | White Owl #25 | REP | Joel Dykstra | 23 | 51.11% |
| United States Senate | Meade | Alkali #6A | DEM | Tim Johnson | 67 | 47.52% |
| United States Senate | Meade | Base #23 | DEM | Tim Johnson | 168 | 42.97% |
| United States Senate | Meade | Bear Butte #9 | DEM | Tim Johnson | 63 | 39.62% |
| United States Senate | Meade | Black Hawk #14 | DEM | Tim Johnson | 360 | 59.41% |
| United States Senate | Meade | Central Black Hawk #19 | DEM | Tim Johnson | 287 | 53.05% |
| United States Senate | Meade | Central Sturgis #3 | DEM | Tim Johnson | 173 | 60.07% |
| United States Senate | Meade | Chalk Butte #27 | DEM | Tim Johnson | 46 | 31.29% |
| United States Senate | Meade | East Piedmont #12 | DEM | Tim Johnson | 306 | 50.66% |
| United States Senate | Meade | East Sturgis #1 | DEM | Tim Johnson | 171 | 55.70% |
| United States Senate | Meade | Elk Vale #21 | DEM | Tim Johnson | 153 | 57.52% |
| United States Senate | Meade | Ellsworth #22 | DEM | Tim Johnson | 50 | 36.76% |
| United States Senate | Meade | Elm Springs #18 | DEM | Tim Johnson | 43 | 51.81% |
| United States Senate | Meade | Fairpoint #29 | DEM | Tim Johnson | 22 | 53.66% |
| United States Senate | Meade | Faith #31 | DEM | Tim Johnson | 134 | 48.55% |
| United States Senate | Meade | Harmony #8 | DEM | Tim Johnson | 167 | 51.70% |
| United States Senate | Meade | Hereford #20 | DEM | Tim Johnson | 34 | 58.62% |
| United States Senate | Meade | Marcus #41 | DEM | Tim Johnson | 29 | 48.33% |
| United States Senate | Meade | Northeast Sturgis #1A | DEM | Tim Johnson | 119 | 69.59% |
| United States Senate | Meade | Northwest Sturgis #5 | DEM | Tim Johnson | 312 | 63.80% |
| United States Senate | Meade | Piedmont #11 | DEM | Tim Johnson | 387 | 51.81% |
| United States Senate | Meade | Pine #33 | DEM | Tim Johnson | 32 | 37.65% |
| United States Senate | Meade | Red Owl #30 | DEM | Tim Johnson | 36 | 45.00% |
| United States Senate | Meade | Rural Black Hawk #15 | DEM | Tim Johnson | 576 | 52.70% |
| United States Senate | Meade | Rural Sturgis #7 | DEM | Tim Johnson | 133 | 51.75% |
| United States Senate | Meade | South Sturgis #2A | DEM | Tim Johnson | 214 | 61.32% |
| United States Senate | Meade | Southeast Piedmont #13 | DEM | Tim Johnson | 551 | 49.55% |
| United States Senate | Meade | Southeast Sturgis #2 | DEM | Tim Johnson | 273 | 52.60% |
| United States Senate | Meade | Southwest Sturgis #4A | DEM | Tim Johnson | 202 | 63.13% |
| United States Senate | Meade | Sturgis #5A | DEM | Tim Johnson | 129 | 58.90% |
| United States Senate | Meade | Sulphur #35 | DEM | Tim Johnson | 18 | 33.96% |
| United States Senate | Meade | Tilford #6 | DEM | Tim Johnson | 383 | 55.43% |
| United States Senate | Meade | Union #40 | DEM | Tim Johnson | 18 | 50.00% |
| United States Senate | Meade | Viewfield #17 | DEM | Tim Johnson | 37 | 48.68% |
| United States Senate | Meade | West Black Hawk #16 | DEM | Tim Johnson | 168 | 46.93% |
| United States Senate | Meade | West Elk Vale #24 | DEM | Tim Johnson | 97 | 53.89% |
| United States Senate | Meade | West Sturgis #4 | DEM | Tim Johnson | 109 | 59.24% |
| United States Senate | Meade | White Owl #25 | DEM | Tim Johnson | 22 | 48.89% |
| United States Senate | Mellette | Central | REP | Joel Dykstra | 75 | 31.25% |
| United States Senate | Mellette | East | REP | Joel Dykstra | 75 | 47.17% |
| United States Senate | Mellette | West | REP | Joel Dykstra | 72 | 37.89% |
| United States Senate | Mellette | White River | REP | Joel Dykstra | 57 | 22.80% |
| United States Senate | Mellette | Central | DEM | Tim Johnson | 165 | 68.75% |
| United States Senate | Mellette | East | DEM | Tim Johnson | 84 | 52.83% |
| United States Senate | Mellette | West | DEM | Tim Johnson | 118 | 62.11% |
| United States Senate | Mellette | White River | DEM | Tim Johnson | 193 | 77.20% |
| United States Senate | Miner | Howard City Ward 1 | REP | Joel Dykstra | 40 | 24.39% |
| United States Senate | Miner | Howard City Ward 2 | REP | Joel Dykstra | 39 | 24.84% |
| United States Senate | Miner | Howard City Ward 3 | REP | Joel Dykstra | 41 | 27.70% |
| United States Senate | Miner | Vermillion, Canova, Rock Creek- | REP | Joel Dykstra | 37 | 21.76% |
| United States Senate | Miner | Beaver, Clinton, Miner | REP | Joel Dykstra | 32 | 37.21% |
| United States Senate | Miner | Clearwater Howard Roswell Twps | REP | Joel Dykstra | 59 | 31.38% |
| United States Senate | Miner | Henden Adams Belleview Grafton | REP | Joel Dykstra | 45 | 22.39% |
| United States Senate | Miner | Gr Valley Carthage Redstone Twp | REP | Joel Dykstra | 35 | 27.13% |
| United States Senate | Miner | Howard City Ward 1 | DEM | Tim Johnson | 124 | 75.61% |
| United States Senate | Miner | Howard City Ward 2 | DEM | Tim Johnson | 118 | 75.16% |
| United States Senate | Miner | Howard City Ward 3 | DEM | Tim Johnson | 107 | 72.30% |
| United States Senate | Miner | Vermillion, Canova, Rock Creek- | DEM | Tim Johnson | 133 | 78.24% |
| United States Senate | Miner | Beaver, Clinton, Miner | DEM | Tim Johnson | 54 | 62.79% |
| United States Senate | Miner | Clearwater Howard Roswell Twps | DEM | Tim Johnson | 129 | 68.62% |
| United States Senate | Miner | Henden Adams Belleview Grafton | DEM | Tim Johnson | 156 | 77.61% |
| United States Senate | Miner | Gr Valley Carthage Redstone Twp | DEM | Tim Johnson | 94 | 72.87% |
| United States Senate | Minnehaha | 1-1 | REP | Joel Dykstra | 263 | 36.73% |
| United States Senate | Minnehaha | 1-2 | REP | Joel Dykstra | 242 | 37.93% |
| United States Senate | Minnehaha | 1-3 | REP | Joel Dykstra | 761 | 49.07% |
| United States Senate | Minnehaha | 1-4 (Including: 1-5) | REP | Joel Dykstra | 557 | 33.94% |
| United States Senate | Minnehaha | 1-6 | REP | Joel Dykstra | 478 | 33.15% |
| United States Senate | Minnehaha | 1-7 | REP | Joel Dykstra | 555 | 39.78% |
| United States Senate | Minnehaha | 1-8 | REP | Joel Dykstra | 365 | 38.34% |
| United States Senate | Minnehaha | 1-9 | REP | Joel Dykstra | 490 | 35.20% |
| United States Senate | Minnehaha | 1-10 | REP | Joel Dykstra | 677 | 36.30% |
| United States Senate | Minnehaha | 1-15 | REP | Joel Dykstra | 191 | 32.15% |
| United States Senate | Minnehaha | 2-1 | REP | Joel Dykstra | 695 | 49.01% |
| United States Senate | Minnehaha | 2-2 | REP | Joel Dykstra | 803 | 48.11% |
| United States Senate | Minnehaha | 2-3 | REP | Joel Dykstra | 574 | 39.89% |
| United States Senate | Minnehaha | 2-4 | REP | Joel Dykstra | 296 | 28.63% |
| United States Senate | Minnehaha | 2-5 | REP | Joel Dykstra | 406 | 33.83% |
| United States Senate | Minnehaha | 2-6 | REP | Joel Dykstra | 559 | 39.79% |
| United States Senate | Minnehaha | 2-7 | REP | Joel Dykstra | 623 | 42.61% |
| United States Senate | Minnehaha | 2-8 | REP | Joel Dykstra | 503 | 43.32% |
| United States Senate | Minnehaha | 2-9 | REP | Joel Dykstra | 552 | 43.57% |
| United States Senate | Minnehaha | 2-14 | REP | Joel Dykstra | 676 | 46.08% |
| United States Senate | Minnehaha | 3-1 | REP | Joel Dykstra | 356 | 31.09% |
| United States Senate | Minnehaha | 3-4 | REP | Joel Dykstra | 387 | 29.54% |
| United States Senate | Minnehaha | 3-5 | REP | Joel Dykstra | 198 | 25.00% |
| United States Senate | Minnehaha | 3-6 | REP | Joel Dykstra | 317 | 24.75% |
| United States Senate | Minnehaha | 3-7 | REP | Joel Dykstra | 348 | 30.13% |
| United States Senate | Minnehaha | 3-8 | REP | Joel Dykstra | 194 | 40.25% |
| United States Senate | Minnehaha | 3-9 | REP | Joel Dykstra | 918 | 40.14% |
| United States Senate | Minnehaha | 3-10 | REP | Joel Dykstra | 359 | 43.46% |
| United States Senate | Minnehaha | 3-11 | REP | Joel Dykstra | 710 | 42.77% |
| United States Senate | Minnehaha | 3-12 | REP | Joel Dykstra | 383 | 29.58% |
| United States Senate | Minnehaha | 3-13 | REP | Joel Dykstra | 738 | 43.03% |
| United States Senate | Minnehaha | 3-14 | REP | Joel Dykstra | 316 | 37.26% |
| United States Senate | Minnehaha | 4-1 (Including: 4-2) | REP | Joel Dykstra | 252 | 23.06% |
| United States Senate | Minnehaha | 4-3 | REP | Joel Dykstra | 139 | 25.46% |
| United States Senate | Minnehaha | 4-4 | REP | Joel Dykstra | 215 | 23.24% |
| United States Senate | Minnehaha | 4-5 | REP | Joel Dykstra | 248 | 27.77% |
| United States Senate | Minnehaha | 4-6 | REP | Joel Dykstra | 98 | 20.81% |
| United States Senate | Minnehaha | 4-7 (Including: 4-8) | REP | Joel Dykstra | 518 | 31.62% |
| United States Senate | Minnehaha | 4-9 | REP | Joel Dykstra | 341 | 30.39% |
| United States Senate | Minnehaha | 4-10 | REP | Joel Dykstra | 370 | 32.80% |
| United States Senate | Minnehaha | 4-11 | REP | Joel Dykstra | 627 | 40.95% |
| United States Senate | Minnehaha | 5-1 (Including: 5-2) | REP | Joel Dykstra | 339 | 25.90% |
| United States Senate | Minnehaha | 5-3 | REP | Joel Dykstra | 179 | 29.64% |
| United States Senate | Minnehaha | 5-4 | REP | Joel Dykstra | 295 | 29.41% |
| United States Senate | Minnehaha | 5-5 | REP | Joel Dykstra | 249 | 28.39% |
| United States Senate | Minnehaha | 5-6 | REP | Joel Dykstra | 399 | 32.92% |
| United States Senate | Minnehaha | 5-7 | REP | Joel Dykstra | 299 | 38.48% |
| United States Senate | Minnehaha | 5-8 | REP | Joel Dykstra | 409 | 39.52% |
| United States Senate | Minnehaha | 5-9 | REP | Joel Dykstra | 237 | 32.55% |
| United States Senate | Minnehaha | 5-10 | REP | Joel Dykstra | 271 | 31.92% |
| United States Senate | Minnehaha | 5-11 | REP | Joel Dykstra | 242 | 33.20% |
| United States Senate | Minnehaha | 5-12 | REP | Joel Dykstra | 280 | 32.56% |
| United States Senate | Minnehaha | 5-13 | REP | Joel Dykstra | 327 | 40.02% |
| United States Senate | Minnehaha | VP-1 | REP | Joel Dykstra | 263 | 35.40% |
| United States Senate | Minnehaha | VP-2 | REP | Joel Dykstra | 977 | 50.10% |
| United States Senate | Minnehaha | VP-3 | REP | Joel Dykstra | 1034 | 46.96% |
| United States Senate | Minnehaha | VP-4 | REP | Joel Dykstra | 393 | 33.03% |
| United States Senate | Minnehaha | VP-5 | REP | Joel Dykstra | 559 | 37.52% |
| United States Senate | Minnehaha | VP-6 | REP | Joel Dykstra | 238 | 36.96% |
| United States Senate | Minnehaha | VP-7 | REP | Joel Dykstra | 513 | 32.63% |
| United States Senate | Minnehaha | VP-8 | REP | Joel Dykstra | 239 | 32.17% |
| United States Senate | Minnehaha | VP-9 | REP | Joel Dykstra | 446 | 36.11% |
| United States Senate | Minnehaha | VP-10 | REP | Joel Dykstra | 356 | 31.20% |
| United States Senate | Minnehaha | VP-11 | REP | Joel Dykstra | 380 | 37.92% |
| United States Senate | Minnehaha | VP-12 | REP | Joel Dykstra | 54 | 35.53% |
| United States Senate | Minnehaha | VP-13 | REP | Joel Dykstra | 321 | 35.04% |
| United States Senate | Minnehaha | VP-15 | REP | Joel Dykstra | 548 | 37.25% |
| United States Senate | Minnehaha | VP-16 | REP | Joel Dykstra | 371 | 35.74% |
| United States Senate | Minnehaha | VP-17 | REP | Joel Dykstra | 283 | 42.94% |
| United States Senate | Minnehaha | VP-21 | REP | Joel Dykstra | 390 | 36.01% |
| United States Senate | Minnehaha | 1-1 | DEM | Tim Johnson | 453 | 63.27% |
| United States Senate | Minnehaha | 1-2 | DEM | Tim Johnson | 396 | 62.07% |
| United States Senate | Minnehaha | 1-3 | DEM | Tim Johnson | 790 | 50.93% |
| United States Senate | Minnehaha | 1-4 (Including: 1-5) | DEM | Tim Johnson | 1084 | 66.06% |
| United States Senate | Minnehaha | 1-6 | DEM | Tim Johnson | 964 | 66.85% |
| United States Senate | Minnehaha | 1-7 | DEM | Tim Johnson | 840 | 60.22% |
| United States Senate | Minnehaha | 1-8 | DEM | Tim Johnson | 587 | 61.66% |
| United States Senate | Minnehaha | 1-9 | DEM | Tim Johnson | 902 | 64.80% |
| United States Senate | Minnehaha | 1-10 | DEM | Tim Johnson | 1188 | 63.70% |
| United States Senate | Minnehaha | 1-15 | DEM | Tim Johnson | 403 | 67.85% |
| United States Senate | Minnehaha | 2-1 | DEM | Tim Johnson | 723 | 50.99% |
| United States Senate | Minnehaha | 2-2 | DEM | Tim Johnson | 866 | 51.89% |
| United States Senate | Minnehaha | 2-3 | DEM | Tim Johnson | 865 | 60.11% |
| United States Senate | Minnehaha | 2-4 | DEM | Tim Johnson | 738 | 71.37% |
| United States Senate | Minnehaha | 2-5 | DEM | Tim Johnson | 794 | 66.17% |
| United States Senate | Minnehaha | 2-6 | DEM | Tim Johnson | 846 | 60.21% |
| United States Senate | Minnehaha | 2-7 | DEM | Tim Johnson | 839 | 57.39% |
| United States Senate | Minnehaha | 2-8 | DEM | Tim Johnson | 658 | 56.68% |
| United States Senate | Minnehaha | 2-9 | DEM | Tim Johnson | 715 | 56.43% |
| United States Senate | Minnehaha | 2-14 | DEM | Tim Johnson | 791 | 53.92% |
| United States Senate | Minnehaha | 3-1 | DEM | Tim Johnson | 789 | 68.91% |
| United States Senate | Minnehaha | 3-4 | DEM | Tim Johnson | 923 | 70.46% |
| United States Senate | Minnehaha | 3-5 | DEM | Tim Johnson | 594 | 75.00% |
| United States Senate | Minnehaha | 3-6 | DEM | Tim Johnson | 964 | 75.25% |
| United States Senate | Minnehaha | 3-7 | DEM | Tim Johnson | 807 | 69.87% |
| United States Senate | Minnehaha | 3-8 | DEM | Tim Johnson | 288 | 59.75% |
| United States Senate | Minnehaha | 3-9 | DEM | Tim Johnson | 1369 | 59.86% |
| United States Senate | Minnehaha | 3-10 | DEM | Tim Johnson | 467 | 56.54% |
| United States Senate | Minnehaha | 3-11 | DEM | Tim Johnson | 950 | 57.23% |
| United States Senate | Minnehaha | 3-12 | DEM | Tim Johnson | 912 | 70.42% |
| United States Senate | Minnehaha | 3-13 | DEM | Tim Johnson | 977 | 56.97% |
| United States Senate | Minnehaha | 3-14 | DEM | Tim Johnson | 532 | 62.74% |
| United States Senate | Minnehaha | 4-1 (Including: 4-2) | DEM | Tim Johnson | 841 | 76.94% |
| United States Senate | Minnehaha | 4-3 | DEM | Tim Johnson | 407 | 74.54% |
| United States Senate | Minnehaha | 4-4 | DEM | Tim Johnson | 710 | 76.76% |
| United States Senate | Minnehaha | 4-5 | DEM | Tim Johnson | 645 | 72.23% |
| United States Senate | Minnehaha | 4-6 | DEM | Tim Johnson | 373 | 79.19% |
| United States Senate | Minnehaha | 4-7 (Including: 4-8) | DEM | Tim Johnson | 1120 | 68.38% |
| United States Senate | Minnehaha | 4-9 | DEM | Tim Johnson | 781 | 69.61% |
| United States Senate | Minnehaha | 4-10 | DEM | Tim Johnson | 758 | 67.20% |
| United States Senate | Minnehaha | 4-11 | DEM | Tim Johnson | 904 | 59.05% |
| United States Senate | Minnehaha | 5-1 (Including: 5-2) | DEM | Tim Johnson | 970 | 74.10% |
| United States Senate | Minnehaha | 5-3 | DEM | Tim Johnson | 425 | 70.36% |
| United States Senate | Minnehaha | 5-4 | DEM | Tim Johnson | 708 | 70.59% |
| United States Senate | Minnehaha | 5-5 | DEM | Tim Johnson | 628 | 71.61% |
| United States Senate | Minnehaha | 5-6 | DEM | Tim Johnson | 813 | 67.08% |
| United States Senate | Minnehaha | 5-7 | DEM | Tim Johnson | 478 | 61.52% |
| United States Senate | Minnehaha | 5-8 | DEM | Tim Johnson | 626 | 60.48% |
| United States Senate | Minnehaha | 5-9 | DEM | Tim Johnson | 491 | 67.45% |
| United States Senate | Minnehaha | 5-10 | DEM | Tim Johnson | 578 | 68.08% |
| United States Senate | Minnehaha | 5-11 | DEM | Tim Johnson | 487 | 66.80% |
| United States Senate | Minnehaha | 5-12 | DEM | Tim Johnson | 580 | 67.44% |
| United States Senate | Minnehaha | 5-13 | DEM | Tim Johnson | 490 | 59.98% |
| United States Senate | Minnehaha | VP-1 | DEM | Tim Johnson | 480 | 64.60% |
| United States Senate | Minnehaha | VP-2 | DEM | Tim Johnson | 973 | 49.90% |
| United States Senate | Minnehaha | VP-3 | DEM | Tim Johnson | 1168 | 53.04% |
| United States Senate | Minnehaha | VP-4 | DEM | Tim Johnson | 797 | 66.97% |
| United States Senate | Minnehaha | VP-5 | DEM | Tim Johnson | 931 | 62.48% |
| United States Senate | Minnehaha | VP-6 | DEM | Tim Johnson | 406 | 63.04% |
| United States Senate | Minnehaha | VP-7 | DEM | Tim Johnson | 1059 | 67.37% |
| United States Senate | Minnehaha | VP-8 | DEM | Tim Johnson | 504 | 67.83% |
| United States Senate | Minnehaha | VP-9 | DEM | Tim Johnson | 789 | 63.89% |
| United States Senate | Minnehaha | VP-10 | DEM | Tim Johnson | 785 | 68.80% |
| United States Senate | Minnehaha | VP-11 | DEM | Tim Johnson | 622 | 62.08% |
| United States Senate | Minnehaha | VP-12 | DEM | Tim Johnson | 98 | 64.47% |
| United States Senate | Minnehaha | VP-13 | DEM | Tim Johnson | 595 | 64.96% |
| United States Senate | Minnehaha | VP-15 | DEM | Tim Johnson | 923 | 62.75% |
| United States Senate | Minnehaha | VP-16 | DEM | Tim Johnson | 667 | 64.26% |
| United States Senate | Minnehaha | VP-17 | DEM | Tim Johnson | 376 | 57.06% |
| United States Senate | Minnehaha | VP-21 | DEM | Tim Johnson | 693 | 63.99% |
| United States Senate | Moody | #1 - Extension | REP | Joel Dykstra | 162 | 24.77% |
| United States Senate | Moody | #2 - Ct House | REP | Joel Dykstra | 167 | 22.24% |
| United States Senate | Moody | #3 - Trent | REP | Joel Dykstra | 244 | 37.08% |
| United States Senate | Moody | #4A - Egan | REP | Joel Dykstra | 104 | 33.77% |
| United States Senate | Moody | #4B - Extension | REP | Joel Dykstra | 77 | 27.90% |
| United States Senate | Moody | #5 - Colman | REP | Joel Dykstra | 193 | 30.30% |
| United States Senate | Moody | #1 - Extension | DEM | Tim Johnson | 492 | 75.23% |
| United States Senate | Moody | #2 - Ct House | DEM | Tim Johnson | 584 | 77.76% |
| United States Senate | Moody | #3 - Trent | DEM | Tim Johnson | 414 | 62.92% |
| United States Senate | Moody | #4A - Egan | DEM | Tim Johnson | 204 | 66.23% |
| United States Senate | Moody | #4B - Extension | DEM | Tim Johnson | 199 | 72.10% |
| United States Senate | Moody | #5 - Colman | DEM | Tim Johnson | 444 | 69.70% |
| United States Senate | Pennington | 1-1 | REP | Joel Dykstra | 1145 | 52.09% |
| United States Senate | Pennington | 1-2 | REP | Joel Dykstra | 764 | 42.56% |
| United States Senate | Pennington | 1-3 | REP | Joel Dykstra | 1171 | 48.15% |
| United States Senate | Pennington | 1-4 | REP | Joel Dykstra | 199 | 47.16% |
| United States Senate | Pennington | 2-1 | REP | Joel Dykstra | 380 | 34.83% |
| United States Senate | Pennington | 2-2 (Including: 2-5) | REP | Joel Dykstra | 306 | 44.61% |
| United States Senate | Pennington | 2-3 | REP | Joel Dykstra | 354 | 34.54% |
| United States Senate | Pennington | 2-4 | REP | Joel Dykstra | 534 | 37.66% |
| United States Senate | Pennington | 3-1 | REP | Joel Dykstra | 465 | 42.16% |
| United States Senate | Pennington | 3-2 | REP | Joel Dykstra | 255 | 58.22% |
| United States Senate | Pennington | 3-3 | REP | Joel Dykstra | 776 | 52.90% |
| United States Senate | Pennington | 3-4 (Including: 3-6) | REP | Joel Dykstra | 1157 | 56.97% |
| United States Senate | Pennington | 3-5 | REP | Joel Dykstra | 998 | 50.87% |
| United States Senate | Pennington | 3-7 | REP | Joel Dykstra | 335 | 36.37% |
| United States Senate | Pennington | 4-1 | REP | Joel Dykstra | 185 | 32.51% |
| United States Senate | Pennington | 4-2 | REP | Joel Dykstra | 892 | 36.11% |
| United States Senate | Pennington | 4-3 (Including: 4-4) | REP | Joel Dykstra | 612 | 41.02% |
| United States Senate | Pennington | 5-1 | REP | Joel Dykstra | 794 | 45.06% |
| United States Senate | Pennington | 5-2 | REP | Joel Dykstra | 268 | 39.18% |
| United States Senate | Pennington | 5-3 | REP | Joel Dykstra | 986 | 50.90% |
| United States Senate | Pennington | 5-4 | REP | Joel Dykstra | 513 | 39.40% |
| United States Senate | Pennington | 5-5 | REP | Joel Dykstra | 289 | 37.83% |
| United States Senate | Pennington | BE30 | REP | Joel Dykstra | 12 | 57.14% |
| United States Senate | Pennington | BE33 | REP | Joel Dykstra | 444 | 39.40% |
| United States Senate | Pennington | BE35 | REP | Joel Dykstra | 54 | 33.75% |
| United States Senate | Pennington | CA19 | REP | Joel Dykstra | 190 | 55.72% |
| United States Senate | Pennington | CL6 | REP | Joel Dykstra | 243 | 52.48% |
| United States Senate | Pennington | CR14 | REP | Joel Dykstra | 33 | 47.83% |
| United States Senate | Pennington | DG7 | REP | Joel Dykstra | 208 | 48.83% |
| United States Senate | Pennington | DT24 | REP | Joel Dykstra | 385 | 52.96% |
| United States Senate | Pennington | HC1 | REP | Joel Dykstra | 505 | 45.29% |
| United States Senate | Pennington | HR9 | REP | Joel Dykstra | 166 | 56.27% |
| United States Senate | Pennington | JS5 | REP | Joel Dykstra | 760 | 56.55% |
| United States Senate | Pennington | K3 | REP | Joel Dykstra | 245 | 46.49% |
| United States Senate | Pennington | NH18 | REP | Joel Dykstra | 184 | 34.52% |
| United States Senate | Pennington | NU10 | REP | Joel Dykstra | 224 | 44.44% |
| United States Senate | Pennington | Q17 | REP | Joel Dykstra | 55 | 65.48% |
| United States Senate | Pennington | R13 | REP | Joel Dykstra | 27 | 54.00% |
| United States Senate | Pennington | RK4 | REP | Joel Dykstra | 869 | 62.16% |
| United States Senate | Pennington | RVE1 | REP | Joel Dykstra | 373 | 41.86% |
| United States Senate | Pennington | RVFD | REP | Joel Dykstra | 355 | 44.15% |
| United States Senate | Pennington | RVF2 | REP | Joel Dykstra | 118 | 41.11% |
| United States Senate | Pennington | RVS1 | REP | Joel Dykstra | 473 | 39.16% |
| United States Senate | Pennington | RVV1 | REP | Joel Dykstra | 462 | 41.25% |
| United States Senate | Pennington | SC11 | REP | Joel Dykstra | 35 | 55.56% |
| United States Senate | Pennington | WA12 | REP | Joel Dykstra | 45 | 59.21% |
| United States Senate | Pennington | WL15 | REP | Joel Dykstra | 257 | 43.63% |
| United States Senate | Pennington | WP23 | REP | Joel Dykstra | 880 | 54.93% |
| United States Senate | Pennington | 1-1 | DEM | Tim Johnson | 1053 | 47.91% |
| United States Senate | Pennington | 1-2 | DEM | Tim Johnson | 1031 | 57.44% |
| United States Senate | Pennington | 1-3 | DEM | Tim Johnson | 1261 | 51.85% |
| United States Senate | Pennington | 1-4 | DEM | Tim Johnson | 223 | 52.84% |
| United States Senate | Pennington | 2-1 | DEM | Tim Johnson | 711 | 65.17% |
| United States Senate | Pennington | 2-2 (Including: 2-5) | DEM | Tim Johnson | 380 | 55.39% |
| United States Senate | Pennington | 2-3 | DEM | Tim Johnson | 671 | 65.46% |
| United States Senate | Pennington | 2-4 | DEM | Tim Johnson | 884 | 62.34% |
| United States Senate | Pennington | 3-1 | DEM | Tim Johnson | 638 | 57.84% |
| United States Senate | Pennington | 3-2 | DEM | Tim Johnson | 183 | 41.78% |
| United States Senate | Pennington | 3-3 | DEM | Tim Johnson | 691 | 47.10% |
| United States Senate | Pennington | 3-4 (Including: 3-6) | DEM | Tim Johnson | 874 | 43.03% |
| United States Senate | Pennington | 3-5 | DEM | Tim Johnson | 964 | 49.13% |
| United States Senate | Pennington | 3-7 | DEM | Tim Johnson | 586 | 63.63% |
| United States Senate | Pennington | 4-1 | DEM | Tim Johnson | 384 | 67.49% |
| United States Senate | Pennington | 4-2 | DEM | Tim Johnson | 1578 | 63.89% |
| United States Senate | Pennington | 4-3 (Including: 4-4) | DEM | Tim Johnson | 880 | 58.98% |
| United States Senate | Pennington | 5-1 | DEM | Tim Johnson | 968 | 54.94% |
| United States Senate | Pennington | 5-2 | DEM | Tim Johnson | 416 | 60.82% |
| United States Senate | Pennington | 5-3 | DEM | Tim Johnson | 951 | 49.10% |
| United States Senate | Pennington | 5-4 | DEM | Tim Johnson | 789 | 60.60% |
| United States Senate | Pennington | 5-5 | DEM | Tim Johnson | 475 | 62.17% |
| United States Senate | Pennington | BE30 | DEM | Tim Johnson | 9 | 42.86% |
| United States Senate | Pennington | BE33 | DEM | Tim Johnson | 683 | 60.60% |
| United States Senate | Pennington | BE35 | DEM | Tim Johnson | 106 | 66.25% |
| United States Senate | Pennington | CA19 | DEM | Tim Johnson | 151 | 44.28% |
| United States Senate | Pennington | CL6 | DEM | Tim Johnson | 220 | 47.52% |
| United States Senate | Pennington | CR14 | DEM | Tim Johnson | 36 | 52.17% |
| United States Senate | Pennington | DG7 | DEM | Tim Johnson | 218 | 51.17% |
| United States Senate | Pennington | DT24 | DEM | Tim Johnson | 342 | 47.04% |
| United States Senate | Pennington | HC1 | DEM | Tim Johnson | 610 | 54.71% |
| United States Senate | Pennington | HR9 | DEM | Tim Johnson | 129 | 43.73% |
| United States Senate | Pennington | JS5 | DEM | Tim Johnson | 584 | 43.45% |
| United States Senate | Pennington | K3 | DEM | Tim Johnson | 282 | 53.51% |
| United States Senate | Pennington | NH18 | DEM | Tim Johnson | 349 | 65.48% |
| United States Senate | Pennington | NU10 | DEM | Tim Johnson | 280 | 55.56% |
| United States Senate | Pennington | Q17 | DEM | Tim Johnson | 29 | 34.52% |
| United States Senate | Pennington | R13 | DEM | Tim Johnson | 23 | 46.00% |
| United States Senate | Pennington | RK4 | DEM | Tim Johnson | 529 | 37.84% |
| United States Senate | Pennington | RVE1 | DEM | Tim Johnson | 518 | 58.14% |
| United States Senate | Pennington | RVFD | DEM | Tim Johnson | 449 | 55.85% |
| United States Senate | Pennington | RVF2 | DEM | Tim Johnson | 169 | 58.89% |
| United States Senate | Pennington | RVS1 | DEM | Tim Johnson | 735 | 60.84% |
| United States Senate | Pennington | RVV1 | DEM | Tim Johnson | 658 | 58.75% |
| United States Senate | Pennington | SC11 | DEM | Tim Johnson | 28 | 44.44% |
| United States Senate | Pennington | WA12 | DEM | Tim Johnson | 31 | 40.79% |
| United States Senate | Pennington | WL15 | DEM | Tim Johnson | 332 | 56.37% |
| United States Senate | Pennington | WP23 | DEM | Tim Johnson | 722 | 45.07% |
| United States Senate | Perkins | 1 | REP | Joel Dykstra | 139 | 43.99% |
| United States Senate | Perkins | 2 | REP | Joel Dykstra | 60 | 48.78% |
| United States Senate | Perkins | 3 | REP | Joel Dykstra | 178 | 52.35% |
| United States Senate | Perkins | 4 | REP | Joel Dykstra | 38 | 49.35% |
| United States Senate | Perkins | 5 | REP | Joel Dykstra | 70 | 51.85% |
| United States Senate | Perkins | 6 | REP | Joel Dykstra | 53 | 41.73% |
| United States Senate | Perkins | 7 | REP | Joel Dykstra | 76 | 66.67% |
| United States Senate | Perkins | 8 | REP | Joel Dykstra | 23 | 46.00% |
| United States Senate | Perkins | 9 | REP | Joel Dykstra | 35 | 55.56% |
| United States Senate | Perkins | 12 | REP | Joel Dykstra | 205 | 57.42% |
| United States Senate | Perkins | 1 | DEM | Tim Johnson | 177 | 56.01% |
| United States Senate | Perkins | 2 | DEM | Tim Johnson | 63 | 51.22% |
| United States Senate | Perkins | 3 | DEM | Tim Johnson | 162 | 47.65% |
| United States Senate | Perkins | 4 | DEM | Tim Johnson | 39 | 50.65% |
| United States Senate | Perkins | 5 | DEM | Tim Johnson | 65 | 48.15% |
| United States Senate | Perkins | 6 | DEM | Tim Johnson | 74 | 58.27% |
| United States Senate | Perkins | 7 | DEM | Tim Johnson | 38 | 33.33% |
| United States Senate | Perkins | 8 | DEM | Tim Johnson | 27 | 54.00% |
| United States Senate | Perkins | 9 | DEM | Tim Johnson | 28 | 44.44% |
| United States Senate | Perkins | 12 | DEM | Tim Johnson | 152 | 42.58% |
| United States Senate | Potter | 23 | REP | Joel Dykstra | 131 | 42.67% |
| United States Senate | Potter | 25 | REP | Joel Dykstra | 48 | 42.48% |
| United States Senate | Potter | 26 | REP | Joel Dykstra | 97 | 37.74% |
| United States Senate | Potter | 27 | REP | Joel Dykstra | 156 | 43.70% |
| United States Senate | Potter | 35 | REP | Joel Dykstra | 126 | 37.06% |
| United States Senate | Potter | 36 | REP | Joel Dykstra | 35 | 53.85% |
| United States Senate | Potter | 23 | DEM | Tim Johnson | 176 | 57.33% |
| United States Senate | Potter | 25 | DEM | Tim Johnson | 65 | 57.52% |
| United States Senate | Potter | 26 | DEM | Tim Johnson | 160 | 62.26% |
| United States Senate | Potter | 27 | DEM | Tim Johnson | 201 | 56.30% |
| United States Senate | Potter | 35 | DEM | Tim Johnson | 214 | 62.94% |
| United States Senate | Potter | 36 | DEM | Tim Johnson | 30 | 46.15% |
| United States Senate | Roberts | 1 | REP | Joel Dykstra | 59 | 33.52% |
| United States Senate | Roberts | 2 | REP | Joel Dykstra | 172 | 39.09% |
| United States Senate | Roberts | 3 | REP | Joel Dykstra | 85 | 36.96% |
| United States Senate | Roberts | 4 | REP | Joel Dykstra | 19 | 20.88% |
| United States Senate | Roberts | 5 | REP | Joel Dykstra | 83 | 18.74% |
| United States Senate | Roberts | 6 | REP | Joel Dykstra | 114 | 36.42% |
| United States Senate | Roberts | 7 | REP | Joel Dykstra | 101 | 39.61% |
| United States Senate | Roberts | 8 | REP | Joel Dykstra | 25 | 21.74% |
| United States Senate | Roberts | 9 | REP | Joel Dykstra | 154 | 30.80% |
| United States Senate | Roberts | 10 | REP | Joel Dykstra | 41 | 13.53% |
| United States Senate | Roberts | 11 | REP | Joel Dykstra | 228 | 27.27% |
| United States Senate | Roberts | 12 | REP | Joel Dykstra | 78 | 27.27% |
| United States Senate | Roberts | 13 | REP | Joel Dykstra | 112 | 27.65% |
| United States Senate | Roberts | 14 | REP | Joel Dykstra | 50 | 28.57% |
| United States Senate | Roberts | 1 | DEM | Tim Johnson | 117 | 66.48% |
| United States Senate | Roberts | 2 | DEM | Tim Johnson | 268 | 60.91% |
| United States Senate | Roberts | 3 | DEM | Tim Johnson | 145 | 63.04% |
| United States Senate | Roberts | 4 | DEM | Tim Johnson | 72 | 79.12% |
| United States Senate | Roberts | 5 | DEM | Tim Johnson | 360 | 81.26% |
| United States Senate | Roberts | 6 | DEM | Tim Johnson | 199 | 63.58% |
| United States Senate | Roberts | 7 | DEM | Tim Johnson | 154 | 60.39% |
| United States Senate | Roberts | 8 | DEM | Tim Johnson | 90 | 78.26% |
| United States Senate | Roberts | 9 | DEM | Tim Johnson | 346 | 69.20% |
| United States Senate | Roberts | 10 | DEM | Tim Johnson | 262 | 86.47% |
| United States Senate | Roberts | 11 | DEM | Tim Johnson | 608 | 72.73% |
| United States Senate | Roberts | 12 | DEM | Tim Johnson | 208 | 72.73% |
| United States Senate | Roberts | 13 | DEM | Tim Johnson | 293 | 72.35% |
| United States Senate | Roberts | 14 | DEM | Tim Johnson | 125 | 71.43% |
| United States Senate | Sanborn | #1 | REP | Joel Dykstra | 47 | 39.17% |
| United States Senate | Sanborn | #2 | REP | Joel Dykstra | 38 | 25.33% |
| United States Senate | Sanborn | #3 | REP | Joel Dykstra | 78 | 27.76% |
| United States Senate | Sanborn | #4 | REP | Joel Dykstra | 13 | 23.21% |
| United States Senate | Sanborn | #5 | REP | Joel Dykstra | 38 | 29.69% |
| United States Senate | Sanborn | #6 | REP | Joel Dykstra | 57 | 26.64% |
| United States Senate | Sanborn | #7 | REP | Joel Dykstra | 96 | 36.23% |
| United States Senate | Sanborn | #1 | DEM | Tim Johnson | 73 | 60.83% |
| United States Senate | Sanborn | #2 | DEM | Tim Johnson | 112 | 74.67% |
| United States Senate | Sanborn | #3 | DEM | Tim Johnson | 203 | 72.24% |
| United States Senate | Sanborn | #4 | DEM | Tim Johnson | 43 | 76.79% |
| United States Senate | Sanborn | #5 | DEM | Tim Johnson | 90 | 70.31% |
| United States Senate | Sanborn | #6 | DEM | Tim Johnson | 157 | 73.36% |
| United States Senate | Sanborn | #7 | DEM | Tim Johnson | 169 | 63.77% |
| United States Senate | Shannon | Pine Ridge 1 | REP | Joel Dykstra | 10 | 2.19% |
| United States Senate | Shannon | Pine Ridge 2 | REP | Joel Dykstra | 12 | 2.77% |
| United States Senate | Shannon | Pine Ridge 3 | REP | Joel Dykstra | 18 | 4.22% |
| United States Senate | Shannon | Batesland | REP | Joel Dykstra | 27 | 20.93% |
| United States Senate | Shannon | Cuny Table | REP | Joel Dykstra | 4 | 6.90% |
| United States Senate | Shannon | Kyle | REP | Joel Dykstra | 28 | 4.63% |
| United States Senate | Shannon | Manderson | REP | Joel Dykstra | 13 | 4.44% |
| United States Senate | Shannon | Oglala | REP | Joel Dykstra | 41 | 9.76% |
| United States Senate | Shannon | Porcupine | REP | Joel Dykstra | 12 | 3.82% |
| United States Senate | Shannon | Sharps Corner | REP | Joel Dykstra | 7 | 3.10% |
| United States Senate | Shannon | Pine Ridge 1 | DEM | Tim Johnson | 447 | 97.81% |
| United States Senate | Shannon | Pine Ridge 2 | DEM | Tim Johnson | 421 | 97.23% |
| United States Senate | Shannon | Pine Ridge 3 | DEM | Tim Johnson | 409 | 95.78% |
| United States Senate | Shannon | Batesland | DEM | Tim Johnson | 102 | 79.07% |
| United States Senate | Shannon | Cuny Table | DEM | Tim Johnson | 54 | 93.10% |
| United States Senate | Shannon | Kyle | DEM | Tim Johnson | 577 | 95.37% |
| United States Senate | Shannon | Manderson | DEM | Tim Johnson | 280 | 95.56% |
| United States Senate | Shannon | Oglala | DEM | Tim Johnson | 379 | 90.24% |
| United States Senate | Shannon | Porcupine | DEM | Tim Johnson | 302 | 96.18% |
| United States Senate | Shannon | Sharps Corner | DEM | Tim Johnson | 219 | 96.90% |
| United States Senate | Spink | #1 | REP | Joel Dykstra | 179 | 38.91% |
| United States Senate | Spink | #3 | REP | Joel Dykstra | 119 | 35.74% |
| United States Senate | Spink | #4 | REP | Joel Dykstra | 86 | 24.36% |
| United States Senate | Spink | #5 | REP | Joel Dykstra | 54 | 26.47% |
| United States Senate | Spink | #6 | REP | Joel Dykstra | 30 | 20.55% |
| United States Senate | Spink | #7 | REP | Joel Dykstra | 143 | 29.01% |
| United States Senate | Spink | #8 | REP | Joel Dykstra | 28 | 17.39% |
| United States Senate | Spink | #9 | REP | Joel Dykstra | 169 | 29.29% |
| United States Senate | Spink | #10 | REP | Joel Dykstra | 137 | 24.16% |
| United States Senate | Spink | #1 | DEM | Tim Johnson | 281 | 61.09% |
| United States Senate | Spink | #3 | DEM | Tim Johnson | 214 | 64.26% |
| United States Senate | Spink | #4 | DEM | Tim Johnson | 267 | 75.64% |
| United States Senate | Spink | #5 | DEM | Tim Johnson | 150 | 73.53% |
| United States Senate | Spink | #6 | DEM | Tim Johnson | 116 | 79.45% |
| United States Senate | Spink | #7 | DEM | Tim Johnson | 350 | 70.99% |
| United States Senate | Spink | #8 | DEM | Tim Johnson | 133 | 82.61% |
| United States Senate | Spink | #9 | DEM | Tim Johnson | 408 | 70.71% |
| United States Senate | Spink | #10 | DEM | Tim Johnson | 430 | 75.84% |
| United States Senate | Stanley | #1 Orton | REP | Joel Dykstra | 14 | 50.00% |
| United States Senate | Stanley | #2 Ft Pierre | REP | Joel Dykstra | 91 | 36.40% |
| United States Senate | Stanley | #3 Sansarc | REP | Joel Dykstra | 28 | 41.79% |
| United States Senate | Stanley | #4 Consolidated | REP | Joel Dykstra | 78 | 34.21% |
| United States Senate | Stanley | #5 Oahe | REP | Joel Dykstra | 111 | 45.68% |
| United States Senate | Stanley | #6 Ft Pierre | REP | Joel Dykstra | 206 | 47.14% |
| United States Senate | Stanley | #9 Ft Pierre | REP | Joel Dykstra | 85 | 34.00% |
| United States Senate | Stanley | #14 Hayes | REP | Joel Dykstra | 24 | 50.00% |
| United States Senate | Stanley | #1 Orton | DEM | Tim Johnson | 14 | 50.00% |
| United States Senate | Stanley | #2 Ft Pierre | DEM | Tim Johnson | 159 | 63.60% |
| United States Senate | Stanley | #3 Sansarc | DEM | Tim Johnson | 39 | 58.21% |
| United States Senate | Stanley | #4 Consolidated | DEM | Tim Johnson | 150 | 65.79% |
| United States Senate | Stanley | #5 Oahe | DEM | Tim Johnson | 132 | 54.32% |
| United States Senate | Stanley | #6 Ft Pierre | DEM | Tim Johnson | 231 | 52.86% |
| United States Senate | Stanley | #9 Ft Pierre | DEM | Tim Johnson | 165 | 66.00% |
| United States Senate | Stanley | #14 Hayes | DEM | Tim Johnson | 24 | 50.00% |
| United States Senate | Sully | 1 | REP | Joel Dykstra | 69 | 58.97% |
| United States Senate | Sully | 2 (Including: 5) | REP | Joel Dykstra | 117 | 54.42% |
| United States Senate | Sully | 3 (Including: 4) | REP | Joel Dykstra | 129 | 38.17% |
| United States Senate | Sully | 6 | REP | Joel Dykstra | 64 | 38.55% |
| United States Senate | Sully | 1 | DEM | Tim Johnson | 48 | 41.03% |
| United States Senate | Sully | 2 (Including: 5) | DEM | Tim Johnson | 98 | 45.58% |
| United States Senate | Sully | 3 (Including: 4) | DEM | Tim Johnson | 209 | 61.83% |
| United States Senate | Sully | 6 | DEM | Tim Johnson | 102 | 61.45% |
| United States Senate | Todd | Lakeview | REP | Joel Dykstra | 85 | 62.04% |
| United States Senate | Todd | Jeanette | REP | Joel Dykstra | 34 | 42.50% |
| United States Senate | Todd | Mission-N. Antelope | REP | Joel Dykstra | 94 | 14.90% |
| United States Senate | Todd | Bordeaux | REP | Joel Dykstra | 9 | 12.68% |
| United States Senate | Todd | O'Kreek | REP | Joel Dykstra | 37 | 23.13% |
| United States Senate | Todd | Parmelee | REP | Joel Dykstra | 36 | 9.55% |
| United States Senate | Todd | Rosebud | REP | Joel Dykstra | 33 | 5.77% |
| United States Senate | Todd | South Antelope | REP | Joel Dykstra | 60 | 16.90% |
| United States Senate | Todd | St. Francis | REP | Joel Dykstra | 27 | 5.99% |
| United States Senate | Todd | Lakeview | DEM | Tim Johnson | 52 | 37.96% |
| United States Senate | Todd | Jeanette | DEM | Tim Johnson | 46 | 57.50% |
| United States Senate | Todd | Mission-N. Antelope | DEM | Tim Johnson | 537 | 85.10% |
| United States Senate | Todd | Bordeaux | DEM | Tim Johnson | 62 | 87.32% |
| United States Senate | Todd | O'Kreek | DEM | Tim Johnson | 123 | 76.88% |
| United States Senate | Todd | Parmelee | DEM | Tim Johnson | 341 | 90.45% |
| United States Senate | Todd | Rosebud | DEM | Tim Johnson | 539 | 94.23% |
| United States Senate | Todd | South Antelope | DEM | Tim Johnson | 295 | 83.10% |
| United States Senate | Todd | St. Francis | DEM | Tim Johnson | 424 | 94.01% |
| United States Senate | Tripp | Clearfield | REP | Joel Dykstra | 68 | 43.87% |
| United States Senate | Tripp | Colome | REP | Joel Dykstra | 181 | 43.30% |
| United States Senate | Tripp | Hamill | REP | Joel Dykstra | 50 | 54.95% |
| United States Senate | Tripp | Ideal | REP | Joel Dykstra | 50 | 56.82% |
| United States Senate | Tripp | Lake | REP | Joel Dykstra | 76 | 49.67% |
| United States Senate | Tripp | Lamro | REP | Joel Dykstra | 137 | 42.02% |
| United States Senate | Tripp | Sully | REP | Joel Dykstra | 42 | 39.62% |
| United States Senate | Tripp | Witten | REP | Joel Dykstra | 61 | 47.66% |
| United States Senate | Tripp | Winner City SE 1st | REP | Joel Dykstra | 95 | 47.74% |
| United States Senate | Tripp | Winner City E 2nd | REP | Joel Dykstra | 118 | 42.60% |
| United States Senate | Tripp | Winner City W 2nd | REP | Joel Dykstra | 172 | 45.26% |
| United States Senate | Tripp | Winner City E 3rd | REP | Joel Dykstra | 125 | 33.33% |
| United States Senate | Tripp | Winner City W 3rd | REP | Joel Dykstra | 59 | 37.34% |
| United States Senate | Tripp | Clearfield | DEM | Tim Johnson | 87 | 56.13% |
| United States Senate | Tripp | Colome | DEM | Tim Johnson | 237 | 56.70% |
| United States Senate | Tripp | Hamill | DEM | Tim Johnson | 41 | 45.05% |
| United States Senate | Tripp | Ideal | DEM | Tim Johnson | 38 | 43.18% |
| United States Senate | Tripp | Lake | DEM | Tim Johnson | 77 | 50.33% |
| United States Senate | Tripp | Lamro | DEM | Tim Johnson | 189 | 57.98% |
| United States Senate | Tripp | Sully | DEM | Tim Johnson | 64 | 60.38% |
| United States Senate | Tripp | Witten | DEM | Tim Johnson | 67 | 52.34% |
| United States Senate | Tripp | Winner City SE 1st | DEM | Tim Johnson | 104 | 52.26% |
| United States Senate | Tripp | Winner City E 2nd | DEM | Tim Johnson | 159 | 57.40% |
| United States Senate | Tripp | Winner City W 2nd | DEM | Tim Johnson | 208 | 54.74% |
| United States Senate | Tripp | Winner City E 3rd | DEM | Tim Johnson | 250 | 66.67% |
| United States Senate | Tripp | Winner City W 3rd | DEM | Tim Johnson | 99 | 62.66% |
| United States Senate | Turner | Dolton/Monroe/Marion/Rosefield | REP | Joel Dykstra | 414 | 44.56% |
| United States Senate | Turner | Brothersfield/Home/Parker | REP | Joel Dykstra | 344 | 38.10% |
| United States Senate | Turner | Chancellor/Germantown | REP | Joel Dykstra | 116 | 34.42% |
| United States Senate | Turner | Childstown/Salem/Spring Valley | REP | Joel Dykstra | 111 | 38.81% |
| United States Senate | Turner | Norway/Hurley/Davis/Middleton | REP | Joel Dykstra | 195 | 34.82% |
| United States Senate | Turner | Viborg/Swan Lake | REP | Joel Dykstra | 134 | 27.02% |
| United States Senate | Turner | Irene/Daneville | REP | Joel Dykstra | 52 | 25.00% |
| United States Senate | Turner | Centerville/Turner | REP | Joel Dykstra | 190 | 29.69% |
| United States Senate | Turner | Dolton/Monroe/Marion/Rosefield | DEM | Tim Johnson | 515 | 55.44% |
| United States Senate | Turner | Brothersfield/Home/Parker | DEM | Tim Johnson | 559 | 61.90% |
| United States Senate | Turner | Chancellor/Germantown | DEM | Tim Johnson | 221 | 65.58% |
| United States Senate | Turner | Childstown/Salem/Spring Valley | DEM | Tim Johnson | 175 | 61.19% |
| United States Senate | Turner | Norway/Hurley/Davis/Middleton | DEM | Tim Johnson | 365 | 65.18% |
| United States Senate | Turner | Viborg/Swan Lake | DEM | Tim Johnson | 362 | 72.98% |
| United States Senate | Turner | Irene/Daneville | DEM | Tim Johnson | 156 | 75.00% |
| United States Senate | Turner | Centerville/Turner | DEM | Tim Johnson | 450 | 70.31% |
| United States Senate | Union | 1 | REP | Joel Dykstra | 85 | 31.60% |
| United States Senate | Union | 2 | REP | Joel Dykstra | 158 | 34.20% |
| United States Senate | Union | 3 | REP | Joel Dykstra | 129 | 40.95% |
| United States Senate | Union | 4 | REP | Joel Dykstra | 63 | 34.24% |
| United States Senate | Union | 5 | REP | Joel Dykstra | 149 | 29.74% |
| United States Senate | Union | 6 | REP | Joel Dykstra | 219 | 34.17% |
| United States Senate | Union | 7 | REP | Joel Dykstra | 89 | 29.18% |
| United States Senate | Union | 8 | REP | Joel Dykstra | 357 | 33.49% |
| United States Senate | Union | 9 | REP | Joel Dykstra | 260 | 50.10% |
| United States Senate | Union | 10 | REP | Joel Dykstra | 150 | 37.69% |
| United States Senate | Union | 11 | REP | Joel Dykstra | 278 | 34.84% |
| United States Senate | Union | 12 | REP | Joel Dykstra | 287 | 52.09% |
| United States Senate | Union | 13 | REP | Joel Dykstra | 1113 | 68.66% |
| United States Senate | Union | 1 | DEM | Tim Johnson | 184 | 68.40% |
| United States Senate | Union | 2 | DEM | Tim Johnson | 304 | 65.80% |
| United States Senate | Union | 3 | DEM | Tim Johnson | 186 | 59.05% |
| United States Senate | Union | 4 | DEM | Tim Johnson | 121 | 65.76% |
| United States Senate | Union | 5 | DEM | Tim Johnson | 352 | 70.26% |
| United States Senate | Union | 6 | DEM | Tim Johnson | 422 | 65.83% |
| United States Senate | Union | 7 | DEM | Tim Johnson | 216 | 70.82% |
| United States Senate | Union | 8 | DEM | Tim Johnson | 709 | 66.51% |
| United States Senate | Union | 9 | DEM | Tim Johnson | 259 | 49.90% |
| United States Senate | Union | 10 | DEM | Tim Johnson | 248 | 62.31% |
| United States Senate | Union | 11 | DEM | Tim Johnson | 520 | 65.16% |
| United States Senate | Union | 12 | DEM | Tim Johnson | 264 | 47.91% |
| United States Senate | Union | 13 | DEM | Tim Johnson | 508 | 31.34% |
| United States Senate | Walworth | #2 | REP | Joel Dykstra | 50 | 48.08% |
| United States Senate | Walworth | #3 | REP | Joel Dykstra | 69 | 60.00% |
| United States Senate | Walworth | #4 | REP | Joel Dykstra | 51 | 52.58% |
| United States Senate | Walworth | #5 | REP | Joel Dykstra | 65 | 48.87% |
| United States Senate | Walworth | #9 | REP | Joel Dykstra | 48 | 48.00% |
| United States Senate | Walworth | #10 | REP | Joel Dykstra | 46 | 36.80% |
| United States Senate | Walworth | #11 | REP | Joel Dykstra | 76 | 40.64% |
| United States Senate | Walworth | #12 | REP | Joel Dykstra | 73 | 36.14% |
| United States Senate | Walworth | #13 | REP | Joel Dykstra | 57 | 34.76% |
| United States Senate | Walworth | #15 | REP | Joel Dykstra | 105 | 41.18% |
| United States Senate | Walworth | #16 | REP | Joel Dykstra | 109 | 42.08% |
| United States Senate | Walworth | #17 | REP | Joel Dykstra | 36 | 27.69% |
| United States Senate | Walworth | #18 | REP | Joel Dykstra | 85 | 46.45% |
| United States Senate | Walworth | #19 | REP | Joel Dykstra | 113 | 42.32% |
| United States Senate | Walworth | #20 | REP | Joel Dykstra | 148 | 43.02% |
| United States Senate | Walworth | #2 | DEM | Tim Johnson | 54 | 51.92% |
| United States Senate | Walworth | #3 | DEM | Tim Johnson | 46 | 40.00% |
| United States Senate | Walworth | #4 | DEM | Tim Johnson | 46 | 47.42% |
| United States Senate | Walworth | #5 | DEM | Tim Johnson | 68 | 51.13% |
| United States Senate | Walworth | #9 | DEM | Tim Johnson | 52 | 52.00% |
| United States Senate | Walworth | #10 | DEM | Tim Johnson | 79 | 63.20% |
| United States Senate | Walworth | #11 | DEM | Tim Johnson | 111 | 59.36% |
| United States Senate | Walworth | #12 | DEM | Tim Johnson | 129 | 63.86% |
| United States Senate | Walworth | #13 | DEM | Tim Johnson | 107 | 65.24% |
| United States Senate | Walworth | #15 | DEM | Tim Johnson | 150 | 58.82% |
| United States Senate | Walworth | #16 | DEM | Tim Johnson | 150 | 57.92% |
| United States Senate | Walworth | #17 | DEM | Tim Johnson | 94 | 72.31% |
| United States Senate | Walworth | #18 | DEM | Tim Johnson | 98 | 53.55% |
| United States Senate | Walworth | #19 | DEM | Tim Johnson | 154 | 57.68% |
| United States Senate | Walworth | #20 | DEM | Tim Johnson | 196 | 56.98% |
| United States Senate | Yankton | 1 | REP | Joel Dykstra | 252 | 29.72% |
| United States Senate | Yankton | 2 (Including: 28) | REP | Joel Dykstra | 438 | 30.72% |
| United States Senate | Yankton | 3 | REP | Joel Dykstra | 372 | 33.54% |
| United States Senate | Yankton | 4 | REP | Joel Dykstra | 437 | 31.71% |
| United States Senate | Yankton | 5 | REP | Joel Dykstra | 716 | 37.80% |
| United States Senate | Yankton | 9 (Including: 29) | REP | Joel Dykstra | 78 | 26.35% |
| United States Senate | Yankton | 10 (Including: 22) | REP | Joel Dykstra | 72 | 31.17% |
| United States Senate | Yankton | 11 | REP | Joel Dykstra | 18 | 19.35% |
| United States Senate | Yankton | 12 (Including: 24, 25) | REP | Joel Dykstra | 95 | 30.35% |
| United States Senate | Yankton | 13 (Including: 17, 18) | REP | Joel Dykstra | 68 | 30.22% |
| United States Senate | Yankton | 14 | REP | Joel Dykstra | 111 | 28.76% |
| United States Senate | Yankton | 19 (Including: 16) | REP | Joel Dykstra | 47 | 27.49% |
| United States Senate | Yankton | 23 | REP | Joel Dykstra | 87 | 39.01% |
| United States Senate | Yankton | 26 | REP | Joel Dykstra | 660 | 42.53% |
| United States Senate | Yankton | 1 | DEM | Tim Johnson | 596 | 70.28% |
| United States Senate | Yankton | 2 (Including: 28) | DEM | Tim Johnson | 988 | 69.28% |
| United States Senate | Yankton | 3 | DEM | Tim Johnson | 737 | 66.46% |
| United States Senate | Yankton | 4 | DEM | Tim Johnson | 941 | 68.29% |
| United States Senate | Yankton | 5 | DEM | Tim Johnson | 1178 | 62.20% |
| United States Senate | Yankton | 9 (Including: 29) | DEM | Tim Johnson | 218 | 73.65% |
| United States Senate | Yankton | 10 (Including: 22) | DEM | Tim Johnson | 159 | 68.83% |
| United States Senate | Yankton | 11 | DEM | Tim Johnson | 75 | 80.65% |
| United States Senate | Yankton | 12 (Including: 24, 25) | DEM | Tim Johnson | 218 | 69.65% |
| United States Senate | Yankton | 13 (Including: 17, 18) | DEM | Tim Johnson | 157 | 69.78% |
| United States Senate | Yankton | 14 | DEM | Tim Johnson | 275 | 71.24% |
| United States Senate | Yankton | 19 (Including: 16) | DEM | Tim Johnson | 124 | 72.51% |
| United States Senate | Yankton | 23 | DEM | Tim Johnson | 136 | 60.99% |
| United States Senate | Yankton | 26 | DEM | Tim Johnson | 892 | 57.47% |
| United States Senate | Ziebach | Bridger | REP | Joel Dykstra | 3 | 5.45% |
| United States Senate | Ziebach | Cherry Creek | REP | Joel Dykstra | 3 | 2.68% |
| United States Senate | Ziebach | Davis | REP | Joel Dykstra | 29 | 15.18% |
| United States Senate | Ziebach | Glad Valley | REP | Joel Dykstra | 33 | 45.83% |
| United States Senate | Ziebach | North Dupree | REP | Joel Dykstra | 26 | 33.33% |
| United States Senate | Ziebach | Redelm | REP | Joel Dykstra | 46 | 26.74% |
| United States Senate | Ziebach | Red Scaffold | REP | Joel Dykstra | 6 | 7.50% |
| United States Senate | Ziebach | South Dupree | REP | Joel Dykstra | 51 | 36.17% |
| United States Senate | Ziebach | Bridger | DEM | Tim Johnson | 52 | 94.55% |
| United States Senate | Ziebach | Cherry Creek | DEM | Tim Johnson | 109 | 97.32% |
| United States Senate | Ziebach | Davis | DEM | Tim Johnson | 162 | 84.82% |
| United States Senate | Ziebach | Glad Valley | DEM | Tim Johnson | 39 | 54.17% |
| United States Senate | Ziebach | North Dupree | DEM | Tim Johnson | 52 | 66.67% |
| United States Senate | Ziebach | Redelm | DEM | Tim Johnson | 126 | 73.26% |
| United States Senate | Ziebach | Red Scaffold | DEM | Tim Johnson | 74 | 92.50% |
| United States Senate | Ziebach | South Dupree | DEM | Tim Johnson | 90 | 63.83% |