| Rep. | Dem. | |
|---|---|---|
| Counties | Ralph J. Gines | J.D. Williams |
| Ada | 46,604 | 47,338 |
| Adams | 787 | 845 |
| Bannock | 10,387 | 16,369 |
| Bear Lake | 1,279 | 1,159 |
| Benewah | 1,200 | 1,519 |
| Bingham | 6,476 | 6,873 |
| Blaine | 2,304 | 3,937 |
| Boise | 1,153 | 1,110 |
| Bonner | 5,009 | 5,640 |
| Bonneville | 15,952 | 12,180 |
| Boundary | 1,475 | 1,480 |
| Butte | 522 | 726 |
| Camas | 221 | 248 |
| Canyon | 18,775 | 14,376 |
| Caribou | 1,354 | 1,448 |
| Cassia | 3,864 | 2,614 |
| Clark | 201 | 174 |
| Clearwater | 1,178 | 1,897 |
| Custer | 933 | 815 |
| Elmore | 2,438 | 3,019 |
| Franklin | 1,740 | 1,833 |
| Fremont | 2,222 | 2,146 |
| Gem | 2,446 | 2,883 |
| Gooding | 2,334 | 2,430 |
| Idaho | 2,926 | 2,866 |
| Jefferson | 3,895 | 2,538 |
| Jerome | 2,860 | 2,268 |
| Kootenai | 14,768 | 13,310 |
| Latah | 4,738 | 7,374 |
| Lemhi | 1,780 | 1,243 |
| Lewis | 582 | 935 |
| Lincoln | 678 | 811 |
| Madison | 3,515 | 2,971 |
| Minidoka | 3,371 | 2,739 |
| Nez Perce | 5,350 | 8,213 |
| Oneida | 443 | 1,094 |
| Owyhee | 1,564 | 1,258 |
| Payette | 3,134 | 2,605 |
| Power | 1,033 | 1,494 |
| Shoshone | 1,467 | 3,310 |
| Teton | 875 | 974 |
| Twin Falls | 10,418 | 8,302 |
| Valley | 1,722 | 1,800 |
| Washington | 1,769 | 1,838 |
| Total | 197,742 | 201,002 |
| Plurality | 3,260 |