Voter Registration Totals as of January 8, 2019

County Constitution Democratic Libertarian Republican Unaffiliated Total Registered
Ada 663 47,664 3,121 106,138 100,482 258,068
Adams 16 191 14 1,745 711 2,677
Bannock 137 5,027 416 17,264 18,515 41,359
Bear Lake 16 120 12 2,620 616 3,384
Benewah 23 551 33 2,510 2,183 5,300
Bingham 80 1,721 91 12,703 5,729 20,324
Blaine 16 3,203 119 3,385 7,068 13,791
Boise 26 364 44 3,008 1,502 4,944
Bonner 154 2,743 247 15,349 8,329 26,822
Bonneville 186 4,184 437 30,131 18,063 53,001
Boundary 30 443 56 4,237 1,635 6,401
Butte 5 65 4 1,144 279 1,497
Camas 6 37 6 463 207 719
Canyon 420 10,141 872 46,875 33,206 91,514
Caribou 19 109 14 2,708 837 3,687
Cassia 31 528 43 6,856 2,190 9,648
Clark 2 17 2 306 49 376
Clearwater 13 377 30 2,289 1,758 4,467
Custer 4 157 19 2,051 675 2,906
Elmore 47 1,044 94 6,137 3,503 10,825
Franklin 46 183 31 4,774 1,367 6,401
Fremont 28 298 25 5,094 1,310 6,755
Gem 55 666 60 6,389 2,832 10,002
Gooding 23 587 34 3,893 1,882 6,419
Idaho 38 590 56 6,787 2,545 10,016
Jefferson 49 440 55 10,048 3,009 13,601
Jerome 87 612 40 4,189 2,417 7,345
Kootenai 355 8,974 761 44,428 27,386 81,904
Latah 75 4,694 311 7,626 9,953 22,659
Lemhi 11 390 32 3,297 1,247 4,977
Lewis 7 173 10 1,287 639 2,116
Lincoln 9 169 16 1,314 604 2,112
Madison 98 648 201 13,319 4,844 19,110
Minidoka 26 621 37 4,980 2,369 8,033
Nez Perce 74 2,613 134 8,752 9,754 21,327
Oneida 7 99 20 1,918 479 2,523
Owyhee 31 437 36 3,283 1,419 5,206
Payette 42 994 75 6,648 3,820 11,579
Power 8 404 12 1,749 1,272 3,445
Shoshone 21 1,336 32 2,492 2,574 6,455
Teton 14 1,286 61 2,428 2,447 6,236
Twin Falls 140 3,280 280 19,983 12,027 35,710
Valley 19 1,024 47 3,478 2,397 6,965
Washington 12 398 28 3,560 1,244 5,242
Total 3,169 109,602 8,068 439,635 307,374 867,848