| REP | DEM | AMH | |
|---|---|---|---|
| Counties | C.L. 'Butch' Otter | Sue Reents | Alan Stroud |
| Ada | 48,434 | 39,448 | 3,561 |
| Adams | 1,123 | 443 | 85 |
| Bannock | 11,731 | 10,313 | 775 |
| Bear Lake | 1,440 | 519 | 63 |
| Benewah | 1,721 | 889 | 185 |
| Bingham | 7,528 | 3,711 | 386 |
| Blaine | 2,209 | 3,048 | 150 |
| Boise | 1,364 | 779 | 136 |
| Bonner | 5,970 | 4,108 | 639 |
| Bonneville | 16,899 | 7,441 | 830 |
| Boundary | 1,838 | 892 | 186 |
| Butte | 731 | 394 | 53 |
| Camas | 313 | 98 | 20 |
| Canyon | 20,617 | 10,730 | 1,379 |
| Caribou | 1,746 | 493 | 75 |
| Cassia | 4,261 | 1,247 | 259 |
| Clark | 284 | 83 | 20 |
| Clearwater | 1,720 | 1,146 | 168 |
| Custer | 1,047 | 499 | 63 |
| Elmore | 3,294 | 1,551 | 211 |
| Franklin | 2,496 | 627 | 103 |
| Fremont | 2,824 | 922 | 159 |
| Gem | 3,093 | 1,536 | 168 |
| Gooding | 2,626 | 1,169 | 191 |
| Idaho | 3,784 | 1,352 | 403 |
| Jefferson | 4,493 | 1,309 | 228 |
| Jerome | 3,277 | 1,192 | 227 |
| Kootenai | 17,608 | 9,595 | 1,696 |
| Latah | 5,761 | 5,489 | 508 |
| Lemhi | 2,368 | 782 | 183 |
| Lewis | 881 | 393 | 55 |
| Lincoln | 759 | 394 | 59 |
| Madison | 4,824 | 1,263 | 253 |
| Minidoka | 3,661 | 1,453 | 235 |
| Nez Perce | 7,564 | 4,798 | 433 |
| Oneida | 888 | 301 | 38 |
| Owyhee | 1,780 | 684 | 153 |
| Payette | 3,639 | 1,493 | 167 |
| Power | 1,314 | 785 | 64 |
| Shoshone | 1,775 | 1,986 | 151 |
| Teton | 932 | 636 | 73 |
| Twin Falls | 10,974 | 5,520 | 759 |
| Valley | 1,891 | 1,172 | 107 |
| Washington | 2,222 | 1,005 | 112 |
| TOTAL | 225,704 | 133,688 | 15,769 |
| Plurality | 92,016 | ||
| Percentage | 60.2% | 35.6% | 4.2% |