Statewide Report by County - August 2, 2021 County Libertarian Republican Democratic NPA/IND OTH Inactive Total Active Aurora 2 879 651 287 2 62 1,821 Beadle 21 4,591 3,051 2,363 42 357 10,068 Bennett 3 709 767 375 2 144 1,856 Bon Homme 12 2,203 1,052 677 2 227 3,946 Brookings 95 8,590 5,348 5,961 41 883 20,035 Brown 87 11,236 7,905 4,835 49 1,857 24,112 Brule 6 1,618 1,056 593 5 38 3,278 Buffalo 1 164 602 154 2 79 923 Butte 54 4,230 914 1,395 13 1,154 6,606 Campbell 919 119 98 69 1,136 Charles Mix 6 2,524 2,048 842 5 370 5,425 Clark 4 1,484 641 384 14 112 2,527 Clay 36 2,687 3,025 2,395 18 541 8,161 Codington 51 9,117 4,433 4,007 31 1,147 17,639 Corson 6 709 1,154 520 5 153 2,394 Custer 30 4,339 1,154 1,631 32 903 7,186 Davison 27 6,045 3,109 2,782 31 946 11,994 Day 8 1,674 1,534 682 14 141 3,912 Deuel 9 1,554 753 706 8 119 3,030 Dewey 3 756 2,005 677 9 117 3,450 Douglas 1 1,648 268 207 46 2,124 Edmunds 6 1,611 663 417 4 116 2,701 Fall River 33 3,328 935 1,285 37 584 5,618 Faulk 1,053 230 234 2 42 1,519 Grant 11 2,513 1,273 996 11 283 4,804 Gregory 3 1,714 780 382 85 2,879 Haakon 3 1,112 149 133 1 33 1,398 Hamlin 6 2,684 649 587 2 134 3,928 Hand 5 1,517 519 243 4 92 2,288 Hanson 6 1,842 750 841 9 309 3,448 Harding 4 813 86 93 20 996 Hughes 53 7,152 2,366 2,130 24 593 11,725 Hutchinson 7 3,283 864 767 10 17 4,931 Hyde 671 181 114 3 12 969 Jackson 8 853 661 319 9 57 1,850 Jerauld 6 642 404 190 2 31 1,244 Jones 1 532 82 86 1 23 702 Kingsbury 7 2,121 868 625 3 181 3,624 Lake 33 4,282 2,367 1,889 8 1,081 8,579 Lawrence 131 10,170 3,813 4,588 43 1,629 18,745 Lincoln 185 21,192 9,817 11,031 65 3,795 42,290 Lyman 7 1,139 769 322 1 32 2,238 Marshall 8 1,191 1,089 541 4 159 2,833 McCook 14 2,021 958 782 8 66 3,783 McPherson 8 1,294 241 238 2 147 1,783 Meade 117 11,345 3,166 4,353 40 511 19,021 Mellette 3 510 448 191 1 34 1,153 Miner 4 682 539 332 3 45 1,560 Minnehaha 632 52,699 37,669 36,986 350 13,032 128,336 Moody 11 1,646 1,496 1,008 4 248 4,165 Oglala Lakota 18 526 5,479 1,965 52 779 8,040 Pennington 589 41,027 18,196 23,363 270 6,655 83,445 Perkins 5 1,476 321 342 6 114 2,150 Potter 2 1,315 242 166 4 116 1,729 Roberts 12 2,093 2,901 1,408 25 157 6,439 Sanborn 5 895 415 252 4 64 1,571 Spink 7 2,289 1,271 645 9 102 4,221 Stanley 3 1,425 405 297 11 155 2,141 Sully 3 781 198 137 3 49 1,122 Todd 6 702 2,951 968 9 813 4,636 Tripp 8 2,307 755 570 11 346 3,651 Turner 12 3,289 1,314 1,191 15 85 5,821 Union 38 6,007 2,716 3,720 18 1,402 12,499 Walworth 9 2,511 768 525 8 247 3,821 Yankton 68 6,712 3,937 3,821 18 1,236 14,556 Ziebach 7 402 843 381 3 80 1,636 Total 2,566 283,045 158,133 143,025 1,442 45,256 588,211 Independent (IND) / No Party Affiliation (NPA) – these two categories are one in the same. When a voter writes Independent, I, Ind, no party affiliation, NPA, no party, no choice, none, non-partisan, line crossed off or the field is blank in the "Choice of Party" field on the voter registration form. (South Dakota does not have an Independent party) OTHER – This category is for voters who write any other political party on their voter registration form that is not currently a recognized political party in South Dakota.

NOTE - The South Dakota Democratic Party has opened their primary election up for all voters registered as independent/no party affiliation to vote in their primary. Voters registered in the “other” category are not allowed to vote in the SD Democratic Party primary.

The Libertarian Party became a recognized party on June 17, 2016. The Constitution Party became a recognized party on March 31, 2016. By statutes SDCL 12-5-1.5 and 12-1-3, the Constitution Party lost party status on November 14, 2018.