South Dakota General Election Voter Registration by Party          
Republican Democrat Libertarian Reform Constitution Other   Republican Democrat Libertarian Reform Constitution Other
1970 182502 134123 0     34691 1970 51.95% 38.18% 0.00%     9.87%
1972 195737 158816 0     37703 1972 49.90% 40.49% 0.00%     9.61%
1974 193234 170937 0     37480 1974 48.11% 42.56% 0.00%     9.33%
1976 196841 190572 0     38119 1976 46.26% 44.78% 0.00%     8.96%
1978 191766 193345 0     35707 1978 45.57% 45.95% 0.00%     8.49%
1980 206411 202052 0     39045 1980 46.12% 45.15% 0.00%     8.72%
1982 200422 189708 0     36381 1982 46.99% 44.48% 0.00%     8.53%
1984 211177 192274 0     39339 1984 47.69% 43.42% 0.00%     8.88%
1986 208935 184720 0     34442 1986 48.81% 43.15% 0.00%     8.05%
1988 216510 188552 0     35239 1988 49.17% 42.82% 0.00%     8.00%
1990 207036 180181 0     33134 1990 49.25% 42.86% 0.00%     7.88%
1992 215285 189935 346     42726 1992 48.02% 42.37% 0.08%     9.53%
1994 212544 176881 469     41979 1994 49.21% 40.96% 0.11%     9.72%
1996 223932 184262 656     51121 1996 48.68% 40.06% 0.14%     11.11%
1998 219624 179195 924     53158 1998 48.49% 39.57% 0.20%     11.74%
2000 226906 181129 1074 130   61913 2000 48.16% 38.44% 0.23% 0.03%   13.14%
2002 228200 183343 1148 122   63171 2002 47.94% 38.52% 0.24% 0.03%   13.27%
2004 238580 191523 1091   101 70966 2004 47.50% 38.13% 0.22%   0.02% 14.30%
2006 240101 190905 1168   350 74608 2006 47.34% 37.64% 0.23%   0.07% 14.71%
2008 241528 204413 1059   315 83147 2008 45.53% 38.53% 0.20%   0.06% 15.68%
2010 237809 194204 1080   336 85932 2010 45.79% 37.39% 0.21%   0.06% 16.55%

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