| DEM | LIB | REP | |
|---|---|---|---|
| Counties | Marilyn Howard | Robbi L. Kier | Tom Luna |
| Ada | 11,827 | 285 | 26,891 |
| Adams | 77 | 4 | 609 |
| Bannock | 3,708 | 80 | 4,636 |
| Bear Lake | 151 | 2 | 1,200 |
| Benewah | 603 | 16 | 387 |
| Bingham | 606 | 8 | 5,061 |
| Blaine | 855 | 6 | 454 |
| Boise | 192 | 12 | 697 |
| Bonner | 1,322 | 68 | 2,488 |
| Bonneville | 1,507 | 24 | 7,256 |
| Boundary | 143 | 6 | 864 |
| Butte | 58 | 1 | 487 |
| Camas | 21 | 3 | 112 |
| Canyon | 2,109 | 85 | 10,775 |
| Caribou | 94 | 1 | 734 |
| Cassia | 161 | 2 | 2,873 |
| Clark | 2 | 0 | 244 |
| Clearwater | 567 | 8 | 944 |
| Custer | 48 | 1 | 744 |
| Elmore | 547 | 21 | 1,567 |
| Franklin | 78 | 7 | 1,892 |
| Fremont | 107 | 14 | 1,758 |
| Gem | 464 | 27 | 2,306 |
| Gooding | 269 | 15 | 1,308 |
| Idaho | 358 | 11 | 2,246 |
| Jefferson | 189 | 3 | 2,538 |
| Jerome | 202 | 16 | 1,108 |
| Kootenai | 2,750 | 263 | 8,696 |
| Latah | 1,392 | 15 | 1,290 |
| Lemhi | 72 | 5 | 1,182 |
| Lewis | 224 | 5 | 299 |
| Lincoln | 117 | 1 | 362 |
| Madison | 142 | 11 | 2,994 |
| Minidoka | 237 | 8 | 1,710 |
| Nez Perce | 2,035 | 26 | 1,640 |
| Oneida | 40 | 0 | 550 |
| Owyhee | 134 | 10 | 953 |
| Payette | 334 | 16 | 2,520 |
| Power | 169 | 1 | 550 |
| Shoshone | 1,308 | 9 | 527 |
| Teton | 201 | 6 | 711 |
| Twin Falls | 893 | 17 | 4,760 |
| Valley | 268 | 13 | 1,181 |
| Washington | 232 | 5 | 1,365 |
| TOTAL | 36,813 | 1,137 | 113,469 |
| Plurality | |||
| Percentage | 100% | 100% | 100% |