| 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 | 211,282 | 7,358 | 218,640 | 50,347 | 23.0 % |
| Adams | 2,340 | 70 | 2,410 | 835 | 34.6 % |
| Bannock | 38,840 | 1,218 | 40,058 | 8,920 | 22.3 % |
| Bear Lake | 3,069 | 137 | 3,206 | 1,517 | 47.3 % |
| Benewah | 4,629 | 96 | 4,725 | 1,316 | 27.9 % |
| Bingham | 18,774 | 811 | 19,585 | 7,058 | 36.0 % |
| Blaine | 11,246 | 185 | 11,431 | 1,567 | 13.7 % |
| Boise | 4,139 | 187 | 4,326 | 2,051 | 47.4 % |
| Bonner | 21,363 | 789 | 22,152 | 6,899 | 31.1 % |
| Bonneville | 44,838 | 2,430 | 47,268 | 16,977 | 35.9 % |
| Boundary | 5,420 | 266 | 5,686 | 1,993 | 35.1 % |
| Butte | 1,464 | 50 | 1,514 | 580 | 38.3 % |
| Camas | 624 | 31 | 655 | 298 | 45.5 % |
| Canyon | 77,927 | 1,790 | 79,717 | 23,677 | 29.7 % |
| Caribou | 3,422 | 149 | 3,571 | 1,424 | 39.9 % |
| Cassia | 8,915 | 517 | 9,432 | 4,768 | 50.6 % |
| Clark | 341 | 12 | 353 | 170 | 48.2 % |
| Clearwater | 4,202 | 114 | 4,316 | 1,755 | 40.7 % |
| Custer | 2,651 | 89 | 2,740 | 1,025 | 37.4 % |
| Elmore | 9,242 | 249 | 9,491 | 2,824 | 29.8 % |
| Franklin | 5,885 | 158 | 6,043 | 2,336 | 38.7 % |
| Fremont | 6,263 | 318 | 6,581 | 2,776 | 42.2 % |
| Gem | 8,623 | 423 | 9,046 | 3,228 | 35.7 % |
| Gooding | 5,795 | 152 | 5,947 | 1,948 | 32.8 % |
| Idaho | 9,051 | 251 | 9,302 | 4,415 | 47.5 % |
| Jefferson | 12,446 | 620 | 13,066 | 5,595 | 42.8 % |
| Jerome | 7,364 | 458 | 7,822 | 2,415 | 30.9 % |
| Kootenai | 67,867 | 3,194 | 71,061 | 23,040 | 32.4 % |
| Latah | 19,801 | 767 | 20,568 | 4,385 | 21.3 % |
| Lemhi | 4,577 | 109 | 4,686 | 2,292 | 48.9 % |
| Lewis | 1,928 | 71 | 1,999 | 785 | 39.3 % |
| Lincoln | 1,876 | 82 | 1,958 | 726 | 37.1 % |
| Madison | 14,823 | 2,175 | 16,998 | 7,117 | 41.9 % |
| Minidoka | 7,355 | 290 | 7,645 | 2,506 | 32.8 % |
| Nez Perce | 18,728 | 484 | 19,212 | 3,983 | 20.7 % |
| Oneida | 2,326 | 88 | 2,414 | 793 | 32.9 % |
| Owyhee | 4,460 | 190 | 4,650 | 1,677 | 36.1 % |
| Payette | 9,721 | 445 | 10,166 | 3,369 | 33.1 % |
| Power | 3,199 | 41 | 3,240 | 878 | 27.1 % |
| Shoshone | 5,926 | 252 | 6,178 | 2,531 | 41.0 % |
| Teton | 5,389 | 134 | 5,523 | 1,032 | 18.7 % |
| Twin Falls | 31,911 | 1,478 | 33,389 | 9,817 | 29.4 % |
| Valley | 5,707 | 166 | 5,873 | 1,489 | 25.4 % |
| Washington | 4,783 | 179 | 4,962 | 2,062 | 45.1 % |
| Total | 740,532 | 29,069 | 769,601 | 227,196 | 29.5% |