| Counties | Number Ballots Cast | Absentee Ballots Cast | % Absentee of Total Ballots Cast |
|---|---|---|---|
| Ada | 69,523 | 12,640 | 18.2% |
| Adams | 973 | 114 | 11.7% |
| Bannock | 11,949 | 2,430 | 20.3% |
| Bear Lake | 1,155 | 59 | 5.1% |
| Benewah | 1,403 | 107 | 7.6% |
| Bingham | 4,736 | 1,108 | 23.4% |
| Blaine | 4,548 | 979 | 21.5% |
| Boise | 1,550 | 151 | 9.7% |
| Bonner | 7,854 | 1,350 | 17.2% |
| Bonneville | 10,106 | 1,525 | 15.1% |
| Boundary | 1,681 | 358 | 21.3% |
| Butte | 340 | 12 | 3.5% |
| Camas | 206 | 9 | 4.4% |
| Canyon | 25,113 | 1,025 | 4.1% |
| Caribou | 1,174 | 62 | 5.3% |
| Cassia | 3,065 | 237 | 7.7% |
| Clark | 119 | 5 | 4.2% |
| Clearwater | 1,667 | 90 | 5.4% |
| Custer | 1,173 | 96 | 8.2% |
| Elmore | 2,770 | 329 | 11.9% |
| Franklin | 1,694 | 58 | 3.4% |
| Fremont | 1,696 | 158 | 9.3% |
| Gem | 2,801 | 506 | 18.1% |
| Gooding | 1,486 | 43 | 2.9% |
| Idaho | 3,791 | 558 | 14.7% |
| Jefferson | 2,731 | 242 | 8.9% |
| Jerome | 1,637 | 125 | 7.6% |
| Kootenai | 21,974 | 4,811 | 21.9% |
| Latah | 7,346 | 1,091 | 14.9% |
| Lemhi | 2,218 | 426 | 19.2% |
| Lewis | 844 | 61 | 7.2% |
| Lincoln | 695 | 21 | 3.0% |
| Madison | 3,114 | 298 | 9.6% |
| Minidoka | 1,551 | 160 | 10.3% |
| Nez Perce | 5,044 | 888 | 17.6% |
| Oneida | 818 | 63 | 7.7% |
| Owyhee | 1,420 | 50 | 3.5% |
| Payette | 2,407 | 292 | 12.1% |
| Power | 1,114 | 0 | 0% |
| Shoshone | 2,724 | 144 | 5.3% |
| Teton | 1,889 | 317 | 16.8% |
| Twin Falls | 8,638 | 738 | 8.5% |
| Valley | 1,718 | 344 | 20.0% |
| Washington | 1,856 | 275 | 14.8% |
| TOTAL | 232,311 | 34,355 | 14.8% |