| Rep. | Dem. | |
|---|---|---|
| Counties | Pete T. Cenarrusa | Edith M. Stanger |
| Ada | 64,079 | 29,344 |
| Adams | 1,235 | 398 |
| Bannock | 14,964 | 11,651 |
| Bear Lake | 1,800 | 596 |
| Benewah | 1,786 | 953 |
| Bingham | 8,394 | 4,913 |
| Blaine | 3,740 | 2,615 |
| Boise | 1,672 | 598 |
| Bonner | 6,588 | 4,191 |
| Bonneville | 16,440 | 11,915 |
| Boundary | 1,972 | 986 |
| Butte | 806 | 453 |
| Camas | 367 | 115 |
| Canyon | 25,019 | 7,971 |
| Caribou | 1,973 | 808 |
| Cassia | 4,948 | 1,539 |
| Clark | 271 | 111 |
| Clearwater | 1,890 | 1,219 |
| Custer | 1,235 | 519 |
| Elmore | 4,015 | 1,437 |
| Franklin | 2,619 | 826 |
| Fremont | 2,963 | 1,410 |
| Gem | 3,778 | 1,538 |
| Gooding | 3,567 | 1,267 |
| Idaho | 4,100 | 1,738 |
| Jefferson | 4,363 | 2,066 |
| Jerome | 3,776 | 1,372 |
| Kootenai | 19,235 | 8,973 |
| Latah | 7,066 | 5,135 |
| Lemhi | 2,145 | 876 |
| Lewis | 955 | 571 |
| Lincoln | 1,097 | 417 |
| Madison | 4,776 | 1,681 |
| Minidoka | 4,347 | 1,770 |
| Nez Perce | 7,767 | 5,703 |
| Oneida | 1,017 | 456 |
| Owyhee | 2,243 | 575 |
| Payette | 4,262 | 1,452 |
| Power | 1,657 | 872 |
| Shoshone | 2,423 | 2,356 |
| Teton | 1,126 | 749 |
| Twin Falls | 13,407 | 5,398 |
| Valley | 2,441 | 1,062 |
| Washington | 2,715 | 880 |
| Total | 267,039 | 131,475 |
| Plurality | 135,564 |