| LIB | REP | DEM | |
|---|---|---|---|
| Counties | T.J. Angstman | Pete T. Cenarrusa | Jerry Seiffert |
| Ada | 3,360 | 62,111 | 25,145 |
| Adams | 63 | 1,243 | 315 |
| Bannock | 931 | 13,461 | 8,228 |
| Bear Lake | 64 | 1,454 | 492 |
| Benewah | 97 | 1,805 | 882 |
| Bingham | 337 | 8,429 | 2,788 |
| Blaine | 152 | 2,683 | 2,601 |
| Boise | 99 | 1,649 | 487 |
| Bonner | 456 | 6,405 | 3,780 |
| Bonneville | 774 | 18,255 | 5,976 |
| Boundary | 114 | 1,853 | 923 |
| Butte | 33 | 786 | 344 |
| Camas | 13 | 350 | 80 |
| Canyon | 1,038 | 24,117 | 7,266 |
| Caribou | 60 | 1,769 | 472 |
| Cassia | 158 | 4,617 | 1,004 |
| Clark | 15 | 302 | 70 |
| Clearwater | 107 | 1,859 | 1,045 |
| Custer | 35 | 1,182 | 397 |
| Elmore | 118 | 3,673 | 1,216 |
| Franklin | 68 | 2,560 | 586 |
| Fremont | 121 | 3,029 | 740 |
| Gem | 136 | 3,533 | 1,106 |
| Gooding | 107 | 2,971 | 920 |
| Idaho | 181 | 3,982 | 1,314 |
| Jefferson | 186 | 4,772 | 1,023 |
| Jerome | 137 | 3,631 | 927 |
| Kootenai | 931 | 18,585 | 9,138 |
| Latah | 558 | 6,119 | 4,807 |
| Lemhi | 111 | 2,467 | 738 |
| Lewis | 37 | 875 | 409 |
| Lincoln | 35 | 895 | 287 |
| Madison | 152 | 5,166 | 987 |
| Minidoka | 138 | 4,061 | 1,152 |
| Nez Perce | 382 | 7,383 | 4,902 |
| Oneida | 26 | 896 | 299 |
| Owyhee | 62 | 2,057 | 496 |
| Payette | 149 | 3,970 | 1,150 |
| Power | 64 | 1,501 | 585 |
| Shoshone | 140 | 1,872 | 1,907 |
| Teton | 59 | 1,107 | 563 |
| Twin Falls | 460 | 12,461 | 4,280 |
| Valley | 96 | 2,209 | 828 |
| Washington | 61 | 2,489 | 768 |
| TOTAL | 12,421 | 256,594 | 103,423 |
| Plurality | 153,171 | ||
| Percentage | 3.3% | 68.9% | 27.8% |