| DEM | REP | LIB | |
|---|---|---|---|
| Counties | Sally A. Beitia | Ron G. Crane | Sherwin M. Fellen |
| Ada | 38,536 | 57,756 | 4,220 |
| Adams | 381 | 1,009 | 81 |
| Bannock | 11,165 | 11,546 | 947 |
| Bear Lake | 584 | 1,685 | 55 |
| Benewah | 1,114 | 1,681 | 169 |
| Bingham | 3,604 | 7,957 | 362 |
| Blaine | 3,073 | 2,465 | 268 |
| Boise | 797 | 1,521 | 179 |
| Bonner | 4,051 | 5,618 | 501 |
| Bonneville | 8,078 | 18,411 | 867 |
| Boundary | 835 | 1,687 | 110 |
| Butte | 392 | 787 | 40 |
| Camas | 111 | 246 | 23 |
| Canyon | 9,649 | 24,843 | 1,250 |
| Caribou | 581 | 1,686 | 136 |
| Cassia | 1,166 | 4,524 | 134 |
| Clark | 74 | 201 | 11 |
| Clearwater | 1,240 | 1,566 | 92 |
| Custer | 422 | 1,198 | 56 |
| Elmore | 1,754 | 3,045 | 216 |
| Franklin | 561 | 2,519 | 82 |
| Fremont | 891 | 2,695 | 184 |
| Gem | 1,794 | 3,007 | 204 |
| Gooding | 1,316 | 2,397 | 155 |
| Idaho | 1,589 | 4,133 | 264 |
| Jefferson | 1,281 | 5,030 | 175 |
| Jerome | 1,207 | 3,033 | 124 |
| Kootenai | 11,077 | 18,286 | 1,216 |
| Latah | 5,495 | 4,915 | 516 |
| Lemhi | 813 | 2,334 | 119 |
| Lewis | 488 | 761 | 43 |
| Lincoln | 485 | 746 | 46 |
| Madison | 1,085 | 5,550 | 169 |
| Minidoka | 1,418 | 3,579 | 152 |
| Nez Perce | 5,503 | 5,959 | 357 |
| Oneida | 295 | 907 | 34 |
| Owyhee | 604 | 1,849 | 98 |
| Payette | 1,564 | 3,539 | 199 |
| Power | 1,072 | 1,087 | 51 |
| Shoshone | 2,184 | 1,575 | 234 |
| Teton | 865 | 1,211 | 80 |
| Twin Falls | 5,543 | 11,023 | 531 |
| Valley | 1,181 | 1,800 | 119 |
| Washington | 878 | 2,064 | 81 |
| TOTAL | 136,796 | 239,431 | 14,950 |
| Plurality | 102,635 | ||
| Percentage | 35.0% | 61.2% | 3.8% |