| Dem. | Rep. | Rep. | Rep. | |
|---|---|---|---|---|
| Counties | John Peavey | Dean Haagenson | C.L. 'Butch' Otter | Dean E. Sorensen |
| Ada | 7,439 | 6,744 | 12,419 | 11,855 |
| Adams | 193 | 153 | 348 | 232 |
| Bannock | 6,477 | 1,417 | 905 | 995 |
| Bear Lake | 319 | 392 | 751 | 383 |
| Benewah | 376 | 176 | 174 | 96 |
| Bingham | 1,563 | 1,352 | 1,256 | 1,563 |
| Blaine | 723 | 192 | 218 | 242 |
| Boise | 165 | 234 | 639 | 420 |
| Bonner | 2,175 | 710 | 697 | 555 |
| Bonneville | 1,908 | 3,013 | 3,190 | 3,307 |
| Boundary | 817 | 414 | 85 | 64 |
| Butte | 155 | 150 | 162 | 129 |
| Camas | 25 | 57 | 174 | 120 |
| Canyon | 2,406 | 2,369 | 4,676 | 3,762 |
| Caribou | 428 | 166 | 334 | 230 |
| Cassia | 399 | 693 | 1,000 | 837 |
| Clark | 58 | 40 | 61 | 41 |
| Clearwater | 499 | 147 | 266 | 102 |
| Custer | 182 | 118 | 178 | 102 |
| Elmore | 626 | 261 | 870 | 434 |
| Franklin | 195 | 318 | 683 | 795 |
| Fremont | 309 | 772 | 764 | 649 |
| Gem | 574 | 394 | 765 | 593 |
| Gooding | 441 | 391 | 844 | 491 |
| Idaho | 1,057 | 387 | 803 | 347 |
| Jefferson | 465 | 641 | 710 | 966 |
| Jerome | 455 | 338 | 882 | 541 |
| Kootenai | 3,117 | 3,421 | 973 | 976 |
| Latah | 2,802 | 855 | 1,703 | 724 |
| Lemhi | 236 | 367 | 594 | 318 |
| Lewis | 332 | 60 | 135 | 46 |
| Lincoln | 297 | 157 | 279 | 205 |
| Madison | 486 | 915 | 732 | 1,316 |
| Minidoka | 494 | 760 | 862 | 635 |
| Nez Perce | 2,228 | 486 | 1,092 | 446 |
| Oneida | 169 | 115 | 255 | 204 |
| Owyhee | 208 | 220 | 615 | 385 |
| Payette | 506 | 373 | 725 | 535 |
| Power | 407 | 132 | 200 | 131 |
| Shoshone | 2,279 | 180 | 152 | 107 |
| Teton | 179 | 129 | 157 | 150 |
| Twin Falls | 1,402 | 1,270 | 2,978 | 1,785 |
| Valley | 291 | 256 | 582 | 503 |
| Washington | 309 | 302 | 917 | 646 |
| Total | 46,171 | 32,037 | 46,805 | 38,963 |
| Plurality | 7,842 | |||
| Percentage | 27.2 | 39.7 | 33.1 |