| 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 | 245,903 | 28,363 | 274,266 | 192,303 | 70.1% |
| Adams | 2,594 | 178 | 2,772 | 1,917 | 69.2% |
| Bannock | 41,509 | 3,995 | 45,504 | 29,444 | 64.7% |
| Bear Lake | 3,331 | 145 | 3,476 | 2,193 | 63.1% |
| Benewah | 5,153 | 225 | 5,378 | 3,943 | 73.3% |
| Bingham | 19,503 | 1,511 | 21,014 | 13,443 | 64.0% |
| Blaine | 13,011 | 849 | 13,860 | 10,586 | 76.4% |
| Boise | 4,662 | 359 | 5,021 | 3,514 | 70.0% |
| Bonner | 25,471 | 1,410 | 26,881 | 18,853 | 70.1% |
| Bonneville | 51,682 | 4,548 | 56,230 | 35,718 | 63.5% |
| Boundary | 6,160 | 275 | 6,435 | 4,334 | 67.4% |
| Butte | 1,484 | 75 | 1,559 | 1,048 | 67.2% |
| Camas | 689 | 51 | 740 | 544 | 73.5% |
| Canyon | 89,114 | 9,907 | 99,021 | 64,247 | 64.9% |
| Caribou | 3,630 | 179 | 3,809 | 2,290 | 60.1% |
| Cassia | 9,349 | 663 | 10,012 | 6,244 | 62.4% |
| Clark | 386 | 24 | 410 | 259 | 63.2% |
| Clearwater | 4,441 | 213 | 4,654 | 3,232 | 69.4% |
| Custer | 2,826 | 153 | 2,979 | 2,183 | 73.3% |
| Elmore | 10,362 | 790 | 11,152 | 7,098 | 63.6% |
| Franklin | 6,158 | 368 | 6,526 | 3,903 | 59.8% |
| Fremont | 6,663 | 526 | 7,189 | 4,832 | 67.2% |
| Gem | 9,504 | 860 | 10,364 | 7,216 | 69.6% |
| Gooding | 6,183 | 370 | 6,553 | 4,469 | 68.2% |
| Idaho | 9,727 | 416 | 10,143 | 7,130 | 70.3% |
| Jefferson | 13,472 | 684 | 14,156 | 8,877 | 62.7% |
| Jerome | 8,002 | 690 | 8,692 | 5,498 | 63.3% |
| Kootenai | 77,986 | 6,117 | 84,103 | 57,232 | 68.0% |
| Latah | 22,699 | 2,743 | 25,442 | 16,174 | 63.6% |
| Lemhi | 4,811 | 151 | 4,962 | 3,505 | 70.6% |
| Lewis | 2,032 | 137 | 2,166 | 1,409 | 65.1% |
| Lincoln | 2,112 | 95 | 2,207 | 1,496 | 67.8% |
| Madison | 18,343 | 1,693 | 20,036 | 8,923 | 44.5% |
| Minidoka | 7,726 | 647 | 8,373 | 5,220 | 62.3% |
| Nez Perce | 21,533 | 1,604 | 23,137 | 14,681 | 63.5% |
| Oneida | 2,461 | 125 | 2,586 | 1,554 | 60.1% |
| Owyhee | 4,926 | 396 | 5,247 | 3,478 | 66.3% |
| Payette | 10,991 | 898 | 11,889 | 7,678 | 64.6% |
| Power | 3,304 | 216 | 3,520 | 2,224 | 63.2% |
| Shoshone | 6,496 | 364 | 6,860 | 4,344 | 63.3% |
| Teton | 6,174 | 572 | 6,746 | 5,111 | 75.8% |
| Twin Falls | 35,071 | 3,829 | 38,900 | 24,888 | 64.0% |
| Valley | 6,567 | 452 | 7,019 | 5,265 | 75.0% |
| Washington | 5,205 | 418 | 5,623 | 4,036 | 71.8% |
| TOTAL | 839,406 | 78,284 | 917,612 | 612,536 | 66.8% |