Asotin | ||
| Candidate | Party | Votes |
|---|---|---|
| Dave Mastin | D | 1570 |
| Douglas L. Bayne | R | 1532 |
Columbia | ||
| Candidate | Party | Votes |
| Dave Mastin | D | 932 |
| Douglas L. Bayne | R | 898 |
Franklin | ||
| Candidate | Party | Votes |
| Dave Mastin | D | 5690 |
| Douglas L. Bayne | R | 5535 |
Garfield | ||
| Candidate | Party | Votes |
| Douglas L. Bayne | R | 666 |
| Dave Mastin | D | 536 |
Walla Walla | ||
| Candidate | Party | Votes |
| Dave Mastin | D | 10202 |
| Douglas L. Bayne | R | 8824 |