| REP | DEM | |
|---|---|---|
| Counties | Anne C. Fox | Marilyn Howard |
| Ada | 37,067 | 53,732 |
| Adams | 853 | 758 |
| Bannock | 7,981 | 14,853 |
| Bear Lake | 1,079 | 925 |
| Benewah | 1,456 | 1,314 |
| Bingham | 5,354 | 6,280 |
| Blaine | 1,734 | 3,647 |
| Boise | 1,076 | 1,170 |
| Bonner | 5,654 | 5,119 |
| Bonneville | 11,392 | 13,959 |
| Boundary | 1,694 | 1,201 |
| Butte | 391 | 793 |
| Camas | 225 | 214 |
| Canyon | 16,866 | 15,793 |
| Caribou | 1,227 | 1,069 |
| Cassia | 3,172 | 2,565 |
| Clark | 216 | 169 |
| Clearwater | 1,419 | 1,613 |
| Custer | 753 | 848 |
| Elmore | 2,365 | 2,681 |
| Franklin | 1,959 | 1,271 |
| Fremont | 1,981 | 1,929 |
| Gem | 2,279 | 2,496 |
| Gooding | 1,739 | 2,220 |
| Idaho | 3,322 | 2,209 |
| Jefferson | 3,257 | 2,777 |
| Jerome | 2,141 | 2,586 |
| Kootenai | 16,439 | 12,648 |
| Latah | 4,042 | 7,832 |
| Lemhi | 2,076 | 1,238 |
| Lewis | 642 | 696 |
| Lincoln | 506 | 701 |
| Madison | 3,244 | 3,115 |
| Minidoka | 2,670 | 2,682 |
| Nez Perce | 5,515 | 7,406 |
| Oneida | 642 | 581 |
| Owyhee | 1,509 | 1,091 |
| Payette | 2,723 | 2,554 |
| Power | 946 | 1,208 |
| Shoshone | 1,486 | 2,468 |
| Teton | 787 | 941 |
| Twin Falls | 7,031 | 10,234 |
| Valley | 1,367 | 1,788 |
| Washington | 1,699 | 1,604 |
| TOTAL | 171,976 | 202,978 |
| Plurality | 31,002 | |
| Percentage | 45.9% | 54.1% |