| Voting Statistics | |||||
|---|---|---|---|---|---|
| Counties | Total Number of Registered Voters at Cutoff | Number Election Day Registrants | Total Number Registered Voters | Number Ballots Cast | % of Registered Voters That Voted |
| Ada | 209,431 | 17,205 | 226,636 | 131,038 | 57.8% |
| Adams | 2,398 | 73 | 2,471 | 1,428 | 57.8% |
| Bannock | 39,995 | 2,238 | 42,233 | 22,730 | 53.8% |
| Bear Lake | 3,207 | 90 | 3,297 | 1,938 | 58.8% |
| Benewah | 4,789 | 92 | 4,881 | 2,753 | 56.4% |
| Bingham | 19,331 | 725 | 20,056 | 10,748 | 53.6% |
| Blaine | 11,518 | 620 | 12,138 | 7,156 | 59.0% |
| Boise | 4,212 | 204 | 4,416 | 2,740 | 62.0% |
| Bonner | 21,761 | 868 | 22,629 | 12,979 | 57.4% |
| Bonneville | 47,036 | 2,626 | 49,662 | 27,349 | 55.1% |
| Boundary | 5,529 | 226 | 5,755 | 3,417 | 59.4% |
| Butte | 1,494 | 70 | 1,564 | 1,189 | 76.0% |
| Camas | 674 | 28 | 702 | 446 | 63.5% |
| Canyon | 79,339 | 1,965 | 81,304 | 44,971 | 55.3% |
| Caribou | 3,565 | 91 | 3,656 | 1,992 | 54.5% |
| Cassia | 9,262 | 424 | 9,686 | 5,517 | 57.0% |
| Clark | 368 | 7 | 375 | 245 | 65.3% |
| Clearwater | 4,436 | 138 | 4,574 | 2,713 | 59.3% |
| Custer | 2,765 | 100 | 2,865 | 1,829 | 63.8% |
| Elmore | 9,477 | 493 | 9,970 | 5,327 | 53.4% |
| Franklin | 6,040 | 110 | 6,150 | 2,948 | 47.9% |
| Fremont | 6,444 | 280 | 6,724 | 4,163 | 61.9% |
| Gem | 8,784 | 410 | 9,194 | 5,300 | 57.6% |
| Gooding | 5,895 | 299 | 6,194 | 4,006 | 64.7% |
| Idaho | 9,326 | 208 | 9,534 | 5,773 | 60.6% |
| Jefferson | 12,537 | 433 | 12,970 | 7,155 | 55.2% |
| Jerome | 7,421 | 344 | 7,765 | 4,458 | 57.4% |
| Kootenai | 68,940 | 2,800 | 71,740 | 37,408 | 52.1% |
| Latah | 20,552 | 1,660 | 22,212 | 11,878 | 53.5% |
| Lemhi | 4,742 | 99 | 4,841 | 2,997 | 61.9% |
| Lewis | 1,952 | 63 | 2,015 | 1,227 | 60.9% |
| Lincoln | 1,918 | 132 | 2,050 | 1,361 | 66.4% |
| Madison | 15,237 | 732 | 15,969 | 6,767 | 42.4% |
| Minidoka | 7,551 | 397 | 7,948 | 4,677 | 58.8% |
| Nez Perce | 19,628 | 835 | 20,463 | 11,393 | 55.7% |
| Oneida | 2,348 | 75 | 2,423 | 1,167 | 48.2% |
| Owyhee | 4,518 | 237 | 4,755 | 2,621 | 55.1% |
| Payette | 10,066 | 447 | 10,513 | 5,770 | 54.9% |
| Power | 3,240 | 99 | 3,339 | 2,140 | 64.1% |
| Shoshone | 6,149 | 166 | 6,315 | 3,488 | 55.2% |
| Teton | 5,457 | 376 | 5,833 | 4,035 | 69.2% |
| Twin Falls | 32,393 | 2,262 | 34,655 | 19,209 | 55.4% |
| Valley | 5,771 | 352 | 6,123 | 3,593 | 58.7% |
| Washington | 4,855 | 259 | 5,114 | 3,268 | 63.9% |
| TOTAL | 752,351 | 41,358 | 793,709 | 445,307 | 56.1% |