Voter Registration Totals as of July 3, 2019

County Constitution Democratic Libertarian Republican Unaffiliated Total Registered
Ada 656 46,918 3,032 104,505 97,120 252,231
Adams 16 186 14 1,700 688 2,604
Bannock 138 5,011 418 17,209 18,609 41,385
Bear Lake 17 119 14 2,650 639 3,439
Benewah 26 532 35 2,467 2,080 5,140
Bingham 78 1,688 90 12,503 5,641 20,000
Blaine 14 3,141 112 3,295 6,743 13,305
Boise 25 355 43 2,958 1,426 4,807
Bonner 151 2,734 252 15,066 8,165 26,368
Bonneville 187 4,181 441 29,962 18,008 52,779
Boundary 26 438 56 4,171 1,547 6,238
Butte 4 66 4 1,132 275 1,481
Camas 6 36 5 456 206 709
Canyon 395 10,306 893 46,818 32,362 90,774
Caribou 20 113 15 2,698 840 3,686
Cassia 31 509 43 6,740 2,096 9,419
Clark 2 18 2 319 55 396
Clearwater 13 356 29 2,260 1,721 4,379
Custer 4 152 19 1,977 649 2,801
Elmore 47 1,016 88 6,010 3,334 10,495
Franklin 47 174 30 4,570 1,306 6,127
Fremont 29 291 25 5,044 1,314 6,703
Gem 54 628 59 6,233 2,642 9,616
Gooding 21 553 34 3,761 1,741 6,110
Idaho 33 578 59 6,623 2,470 9,763
Jefferson 49 438 57 10,032 3,027 13,603
Jerome 86 734 50 4,446 2,650 7,966
Kootenai 362 8,973 768 44,553 27,574 82,230
Latah 74 4,694 313 7,567 9,920 22,568
Lemhi 13 388 34 3,373 1,394 5,202
Lewis 6 164 10 1,248 567 1,995
Lincoln 9 166 16 1,316 601 2,108
Madison 101 622 198 12,894 4,640 18,455
Minidoka 24 597 36 4,848 2,267 7,772
Nez Perce 74 2,606 133 8,734 9,713 21,260
Oneida 8 96 21 1,894 479 2,498
Owyhee 30 437 36 3,245 1,412 5,160
Payette 40 935 67 6,400 3,516 10,958
Power 8 384 11 1,693 1,189 3,285
Shoshone 21 1,329 31 2,493 2,619 6,493
Teton 14 1,286 61 2,413 2,456 6,230
Twin Falls 134 3,273 284 19,831 12,016 35,538
Valley 19 1,013 49 3,439 2,381 6,901
Washington 12 399 28 3,537 1,238 5,214
Total 3,124 108,633 8,015 435,083 301,336 856,191