| UNITED STATES SENATOR | |||||
|---|---|---|---|---|---|
| Dem. | Lib. | Ind. | Ind. | Rep. | |
| Counties | Larry LaRocco | Kent A. Marmon | Pro-Life | Rex Rammell | Jim Risch |
| Ada | 73,722 | 2,657 | 1,664 | 5,982 | 91,425 |
| Adams | 698 | 38 | 27 | 193 | 1,268 |
| Bannock | 13,600 | 566 | 393 | 2,136 | 18,313 |
| Bear Lake | 525 | 22 | 32 | 153 | 2,162 |
| Benewah | 1,377 | 61 | 63 | 73 | 2,376 |
| Bingham | 4,058 | 335 | 228 | 2,029 | 10,455 |
| Blaine | 6,126 | 115 | 96 | 174 | 3,782 |
| Boise | 1,196 | 61 | 34 | 203 | 2,218 |
| Bonner | 6,970 | 292 | 286 | 483 | 10,779 |
| Bonneville | 10,702 | 754 | 548 | 4,132 | 25,201 |
| Boundary | 1,406 | 76 | 69 | 202 | 2,798 |
| Butte | 326 | 20 | 15 | 156 | 880 |
| Camas | 174 | 4 | 10 | 39 | 372 |
| Canyon | 18,804 | 1,331 | 998 | 3,090 | 39,213 |
| Caribou | 534 | 47 | 23 | 270 | 2,399 |
| Cassia | 1,316 | 85 | 104 | 737 | 5,553 |
| Clark | 70 | 3 | 1 | 63 | 229 |
| Clearwater | 1,330 | 46 | 65 | 119 | 2,278 |
| Custer | 567 | 32 | 24 | 290 | 1,389 |
| Elmore | 2,561 | 131 | 121 | 332 | 5,124 |
| Franklin | 660 | 73 | 105 | 206 | 4,023 |
| Fremont | 944 | 93 | 57 | 788 | 3,993 |
| Gem | 2,139 | 107 | 134 | 486 | 5,013 |
| Gooding | 1,444 | 69 | 62 | 421 | 3,402 |
| Idaho | 2,106 | 95 | 126 | 256 | 5,433 |
| Jefferson | 1,511 | 169 | 116 | 1,477 | 7,197 |
| Jerome | 1,786 | 95 | 144 | 484 | 4,343 |
| Kootenai | 20,558 | 932 | 1,240 | 1,618 | 36,185 |
| Latah | 8,854 | 254 | 227 | 363 | 7,706 |
| Lemhi | 986 | 51 | 58 | 389 | 2,570 |
| Lewis | 492 | 28 | 32 | 74 | 1,150 |
| Lincoln | 521 | 24 | 28 | 153 | 1,068 |
| Madison | 1,282 | 168 | 197 | 1,672 | 9,552 |
| Minidoka | 1,581 | 102 | 115 | 699 | 4,446 |
| Nez Perce | 7,600 | 190 | 252 | 423 | 9,241 |
| Oneida | 385 | 35 | 43 | 105 | 1,523 |
| Owyhee | 918 | 52 | 57 | 238 | 2,743 |
| Payette | 2,332 | 119 | 132 | 414 | 5,554 |
| Power | 904 | 33 | 32 | 188 | 1,641 |
| Shoshone | 2,694 | 100 | 145 | 126 | 2,552 |
| Teton | 2,072 | 67 | 44 | 525 | 1,812 |
| Twin Falls | 8,487 | 314 | 400 | 2,121 | 16,963 |
| Valley | 2,265 | 61 | 63 | 136 | 2,694 |
| Washington | 1,320 | 51 | 52 | 292 | 2,726 |
| TOTAL | 219,903 | 9,958 | 8,662 | 34,510 | 371,744 |
| Plurality | 151,841 | ||||
| Percentage | 34.1% | 1.5% | 1.3% | 5.4% | 57.7% |