| REP | DEM | |
|---|---|---|
| Counties | Ron Pollock | J.D. Williams |
| Ada | 37,013 | 53,531 |
| Adams | 716 | 895 |
| Bannock | 7,577 | 15,172 |
| Bear Lake | 806 | 1,225 |
| Benewah | 1,213 | 1,559 |
| Bingham | 5,018 | 6,557 |
| Blaine | 1,711 | 3,590 |
| Boise | 962 | 1,162 |
| Bonner | 4,763 | 5,823 |
| Bonneville | 12,373 | 12,570 |
| Boundary | 1,457 | 1,409 |
| Butte | 398 | 765 |
| Camas | 181 | 253 |
| Canyon | 15,878 | 16,536 |
| Caribou | 940 | 1,376 |
| Cassia | 3,016 | 2,761 |
| Clark | 186 | 187 |
| Clearwater | 1,119 | 1,883 |
| Custer | 667 | 930 |
| Elmore | 1,809 | 3,208 |
| Franklin | 1,315 | 1,987 |
| Fremont | 1,653 | 2,238 |
| Gem | 1,986 | 2,782 |
| Gooding | 1,519 | 2,410 |
| Idaho | 2,672 | 2,795 |
| Jefferson | 3,138 | 2,835 |
| Jerome | 2,107 | 2,572 |
| Kootenai | 14,359 | 14,239 |
| Latah | 4,193 | 7,354 |
| Lemhi | 1,479 | 1,831 |
| Lewis | 509 | 801 |
| Lincoln | 544 | 757 |
| Madison | 2,908 | 3,431 |
| Minidoka | 2,434 | 2,855 |
| Nez Perce | 4,737 | 7,950 |
| Oneida | 364 | 888 |
| Owyhee | 1,253 | 1,344 |
| Payette | 2,574 | 2,669 |
| Power | 706 | 1,457 |
| Shoshone | 1,129 | 2,772 |
| Teton | 709 | 838 |
| Twin Falls | 7,787 | 9,362 |
| Valley | 1,188 | 1,924 |
| Washington | 1,503 | 1,803 |
| TOTAL | 160,569 | 211,286 |
| Plurality | 50,717 | |
| Percentage | 43.2% | 56.8% |