Voter Registration Totals as of February 1, 2019

County Constitution Democratic Libertarian Republican Unaffiliated Total Registered
Ada 665 47,890 3,144 106,558 100,904 259,161
Adams 16 190 14 1,742 709 2,671
Bannock 136 4,994 411 17,192 18,402 41,135
Bear Lake 16 119 12 2,613 612 3,372
Benewah 22 535 33 2,451 1,998 5,039
Bingham 79 1,720 90 12,682 5,727 20,298
Blaine 16 3,200 119 3,381 7,060 13,776
Boise 25 348 42 2,936 1,416 4,767
Bonner 154 2,746 248 15,281 8,347 26,776
Bonneville 186 4,195 438 30,105 18,053 52,977
Boundary 26 434 56 4,148 1,525 6,189
Butte 5 65 4 1,141 279 1,494
Camas 6 37 6 463 206 718
Canyon 435 10,653 928 47,998 34,227 94,241
Caribou 20 114 15 2,711 844 3,704
Cassia 31 507 42 6,723 2,064 9,367
Clark 2 17 2 304 49 374
Clearwater 13 375 30 2,284 1,752 4,454
Custer 4 157 19 2,033 674 2,887
Elmore 46 1,015 90 6,017 3,341 10,509
Franklin 46 180 30 4,756 1,362 6,374
Fremont 28 296 25 5,075 1,303 6,727
Gem 53 631 56 6,211 2,600 9,551
Gooding 23 586 35 3,878 1,878 6,400
Idaho 33 569 55 6,625 2,405 9,687
Jefferson 49 441 55 10,040 3,003 13,588
Jerome 86 722 48 4,435 2,636 7,927
Kootenai 356 8,955 758 44,368 27,357 81,794
Latah 76 4,701 311 7,603 9,958 22,649
Lemhi 11 386 33 3,291 1,248 4,969
Lewis 5 164 10 1,239 549 1,967
Lincoln 9 168 16 1,311 602 2,106
Madison 99 643 201 13,281 4,821 19,045
Minidoka 25 590 36 4,819 2,217 7,687
Nez Perce 74 2,609 134 8,742 9,744 21,303
Oneida 7 99 20 1,916 479 2,521
Owyhee 30 432 35 3,246 1,399 5,142
Payette 43 986 76 6,614 3,793 11,512
Power 8 382 10 1,687 1,180 3,267
Shoshone 21 1,328 32 2,483 2,563 6,427
Teton 14 1,286 61 2,426 2,445 6,232
Twin Falls 137 3,265 280 19,913 11,976 35,571
Valley 18 1,021 47 3,473 2,393 6,952
Washington 12 397 28 3,552 1,242 5,231
Total 3,166 110,148 8,135 439,747 307,342 868,538