| Voting Statistics | |||||
|---|---|---|---|---|---|
| Counties | Total Number of Registered Voters at Cutoff | Number Election Day Registrants | Total Number of Registered Voters | Number of Ballots Cast | % of Registered Voters That Voted |
| Ada | 203,963 | 3,259 | 207,222 | 44,149 | 21.3 % |
| Adams | 2,371 | 31 | 2,402 | 850 | 35.4 % |
| Bannock | 40,102 | 891 | 40,993 | 13,741 | 33.5 % |
| Bear Lake | 3,244 | 71 | 3,315 | 1,452 | 43.8 % |
| Benewah | 4,765 | 18 | 4,783 | 1,096 | 22.9 % |
| Bingham | 19,418 | 283 | 19,701 | 6,412 | 32.5 % |
| Blaine | 11,551 | 128 | 11,679 | 2,274 | 19.5 % |
| Boise | 4,095 | 127 | 4,222 | 1,562 | 37.0 % |
| Bonner | 21,499 | 524 | 22,023 | 6,991 | 31.7 % |
| Bonneville | 47,058 | 693 | 47,751 | 12,593 | 26.4 % |
| Boundary | 5,525 | 133 | 5,658 | 2,276 | 40.2 % |
| Butte | 1,460 | 62 | 1,522 | 878 | 57.7 % |
| Camas | 680 | 33 | 713 | 309 | 43.3 % |
| Canyon | 77,326 | 599 | 77,925 | 17,968 | 23.1 % |
| Caribou | 3,546 | 116 | 3,662 | 1,803 | 49.2 % |
| Cassia | 9,152 | 139 | 9,291 | 3,025 | 32.6 % |
| Clark | 343 | 21 | 364 | 287 | 78.8 % |
| Clearwater | 4,528 | 34 | 4,562 | 1,118 | 24.5 % |
| Custer | 2,783 | 63 | 2,846 | 1,316 | 46.2 % |
| Elmore | 9,416 | 113 | 9,529 | 2,720 | 28.5 % |
| Franklin | 6,052 | 56 | 6,108 | 2,015 | 33.0 % |
| Fremont | 6,413 | 162 | 6,575 | 2,840 | 43.2 % |
| Gem | 8,607 | 252 | 8,859 | 2,932 | 33.1 % |
| Gooding | 5,879 | 71 | 5,950 | 2,056 | 34.6 % |
| Idaho | 9,286 | 178 | 9,464 | 4,123 | 43.6 % |
| Jefferson | 12,474 | 191 | 12,665 | 4,563 | 36.0 % |
| Jerome | 7,510 | 57 | 7,567 | 2,219 | 29.3 % |
| Kootenai | 68,871 | 694 | 69,565 | 14,962 | 21.5 % |
| Latah | 20,206 | 131 | 20,337 | 3,424 | 16.8 % |
| Lemhi | 4,667 | 52 | 4,719 | 2,376 | 50.3 % |
| Lewis | 1,942 | 20 | 1,962 | 772 | 39.3 % |
| Lincoln | 1,847 | 80 | 1,927 | 794 | 41.2 % |
| Madison | 15,400 | 387 | 15,787 | 4,315 | 27.3 % |
| Minidoka | 7,527 | 175 | 7,702 | 2,908 | 37.8 % |
| Nez Perce | 19,461 | 143 | 19,604 | 3,389 | 17.3 % |
| Oneida | 2,366 | 30 | 2,396 | 657 | 27.4 % |
| Owyhee | 4,501 | 59 | 4,560 | 1,444 | 31.7 % |
| Payette | 9,834 | 245 | 10,079 | 3,422 | 34.0 % |
| Power | 3,228 | 36 | 3,264 | 1,110 | 34.0 % |
| Shoshone | 6,206 | 30 | 6,236 | 1,327 | 21.3 % |
| Teton | 5,189 | 105 | 5,294 | 1,783 | 33.7 % |
| Twin Falls | 32,227 | 358 | 32,585 | 7,271 | 22.3 % |
| Valley | 5,708 | 68 | 5,776 | 1,428 | 24.7 % |
| Washington | 4,897 | 101 | 4,998 | 2,032 | 40.7 % |
| TOTAL | 743,123 | 11,019 | 754,142 | 196,982 | 26.1 % |