| Lib. | Rep. | Dem. | Con. | Ind. WI | |
|---|---|---|---|---|---|
| Michael Badnarik | George W. Bush | John F. Kerry | Michael A. Peroutka | Ralph Nader | |
| Ada | 1,041 | 94,641 | 58,523 | 449 | 348 |
| Adams | 14 | 1,468 | 555 | 24 | 2 |
| Bannock | 244 | 21,479 | 12,903 | 125 | 92 |
| Bear Lake | 12 | 2,506 | 494 | 22 | 6 |
| Benewah | 34 | 2,823 | 1,148 | 35 | 7 |
| Bingham | 105 | 12,734 | 3,605 | 107 | 13 |
| Blaine | 80 | 4,034 | 5,992 | 23 | 17 |
| Boise | 31 | 2,501 | 970 | 15 | 10 |
| Bonner | 139 | 10,697 | 6,649 | 146 | 50 |
| Bonneville | 229 | 30,048 | 8,356 | 184 | 54 |
| Boundary | 51 | 3,012 | 1,268 | 31 | 16 |
| Butte | 4 | 1,077 | 321 | 4 | 0 |
| Camas | 1 | 450 | 139 | 5 | 0 |
| Canyon | 346 | 41,599 | 13,415 | 269 | 63 |
| Caribou | 21 | 2,753 | 491 | 8 | 8 |
| Cassia | 48 | 6,562 | 1,153 | 54 | 4 |
| Clark | 2 | 302 | 46 | 3 | 0 |
| Clearwater | 40 | 2,839 | 1,117 | 35 | 3 |
| Custer | 18 | 1,762 | 559 | 13 | 6 |
| Elmore | 45 | 6,011 | 1,959 | 29 | 15 |
| Franklin | 19 | 4,527 | 456 | 51 | 1 |
| Fremont | 22 | 4,965 | 741 | 34 | 7 |
| Gem | 34 | 5,416 | 1,628 | 37 | 19 |
| Gooding | 29 | 3,973 | 1,278 | 31 | 14 |
| Idaho | 49 | 6,017 | 1,689 | 202 | 8 |
| Jefferson | 41 | 7,703 | 1,084 | 72 | 6 |
| Jerome | 31 | 5,177 | 1,344 | 18 | 10 |
| Kootenai | 303 | 36,173 | 17,584 | 408 | 128 |
| Latah | 239 | 8,686 | 8,430 | 125 | 67 |
| Lemhi | 37 | 3,079 | 915 | 16 | 6 |
| Lewis | 7 | 1,359 | 440 | 10 | 4 |
| Lincoln | 9 | 1,388 | 466 | 9 | 3 |
| Madison | 35 | 10,693 | 826 | 69 | 14 |
| Minidoka | 33 | 5,797 | 1,331 | 35 | 4 |
| Nez Perce | 112 | 11,009 | 6,476 | 82 | 21 |
| Oneida | 9 | 1,789 | 304 | 30 | 1 |
| Owyhee | 27 | 2,859 | 685 | 17 | 2 |
| Payette | 39 | 6,256 | 1,848 | 34 | 3 |
| Power | 13 | 2,105 | 829 | 10 | 1 |
| Shoshone | 35 | 2,922 | 2,331 | 41 | 8 |
| Teton | 24 | 2,235 | 1,416 | 2 | 13 |
| Twin Falls | 146 | 19,672 | 6,458 | 119 | 40 |
| Valley | 29 | 2,863 | 1,843 | 18 | 19 |
| Washington | 17 | 3,274 | 1,033 | 33 | 2 |
| TOTAL | 3,844 | 409,235 | 181,098 | 3,084 | 1,115 |
| Plurality | 228,137 | ||||
| Percentage | 0.6% | 68.4% | 30.3% | 0.5% | 0.2% |