| Candidate | Votes | % |
|---|---|---|
| Jim Risch (R) | 369,900 | 58% |
| Larry LaRocco (D) | 219,092 | 34% |
| Rex Rammell (I) | 34,275 | 5% |
| Kent Marmon (Lib.) | 9,909 | 2% |
| Pro-Life (I) | 8,608 | 1% |
Key: * Incumbent | 
Winner
Precincts: 100% | Updated: 3:42 PM ET | Source: AP
WinnerPrecincts: 100% | Updated: 3:42 PM ET | Source: AP