| 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 | 232,395 | 6,673 | 239,068 | 78,796 | 33.0% |
| Adams | 2,448 | 56 | 2,504 | 1,078 | 43.1% |
| Bannock | 39,856 | 481 | 40,337 | 10,672 | 26.5% |
| Bear Lake | 3,289 | 57 | 3,346 | 1,530 | 45.7% |
| Benewah | 4,999 | 51 | 5,050 | 1,726 | 34.2% |
| Bingham | 18,893 | 451 | 19,344 | 7,619 | 39.4% |
| Blaine | 12,553 | 218 | 12,771 | 3,922 | 30.7% |
| Boise | 4,514 | 108 | 4,622 | 1,765 | 38.2% |
| Bonner | 24,543 | 393 | 24,936 | 11,100 | 44.5% |
| Bonneville | 50,896 | 808 | 51,704 | 14,730 | 28.5% |
| Boundary | 6,023 | 80 | 6,103 | 2,432 | 39.8% |
| Butte | 1,553 | 50 | 1,603 | 766 | 47.8% |
| Camas | 662 | 19 | 681 | 250 | 36.7% |
| Canyon | 84,827 | 2,313 | 87,140 | 27,268 | 31.3% |
| Caribou | 3,596 | 60 | 3,656 | 1,308 | 35.8% |
| Cassia | 9,190 | 212 | 9,402 | 3,820 | 40.6% |
| Clark | 362 | 39 | 401 | 218 | 54.4% |
| Clearwater | 4,323 | 30 | 4,353 | 1,511 | 34.7% |
| Custer | 2,740 | 85 | 2,825 | 1,430 | 50.6% |
| Elmore | 9,947 | 148 | 10,095 | 3,270 | 32.4% |
| Franklin | 6,089 | 50 | 6,139 | 1,409 | 23.0% |
| Fremont | 6,540 | 210 | 6,750 | 3,136 | 46.5% |
| Gem | 9,285 | 234 | 9,519 | 3,743 | 39.3% |
| Gooding | 6,022 | 135 | 6,157 | 2,610 | 42.4% |
| Idaho | 9,507 | 107 | 9,614 | 3,532 | 36.7% |
| Jefferson | 12,966 | 256 | 13,222 | 5,124 | 38.8% |
| Jerome | 7,796 | 200 | 7,996 | 2,707 | 33.9% |
| Kootenai | 76,980 | 1,324 | 78,304 | 22,705 | 29.0% |
| Latah | 21,524 | 379 | 21,903 | 6,286 | 28.7% |
| Lemhi | 4,724 | 35 | 4,759 | 1,531 | 32.2% |
| Lewis | 1,999 | 45 | 2,044 | 1,112 | 54.4% |
| Lincoln | 2,087 | 97 | 2,184 | 844 | 38.6% |
| Madison | 18,067 | 472 | 18,539 | 5,009 | 27.0% |
| Minidoka | 7,655 | 99 | 7,754 | 2,420 | 31.2% |
| Nez Perce | 20,845 | 169 | 21,014 | 4,920 | 23.4% |
| Oneida | 2,472 | 57 | 2,529 | 1,152 | 45.6% |
| Owyhee | 4,778 | 172 | 4,950 | 2,107 | 42.6% |
| Payette | 10,533 | 222 | 10,755 | 3,752 | 34.9% |
| Power | 3,249 | 44 | 3,293 | 1,012 | 30.7% |
| Shoshone | 6,300 | 69 | 6,369 | 1,893 | 29.7% |
| Teton | 5,956 | 79 | 6,035 | 1,874 | 31.1% |
| Twin Falls | 34,332 | 867 | 35,199 | 10,572 | 30.0% |
| Valley | 6,164 | 182 | 6,346 | 2,574 | 40.6% |
| Washington | 5,062 | 109 | 5,171 | 2,232 | 43.2% |
| TOTAL | 808,541 | 17,945 | 826,486 | 269,467 | 32.6% |