Benton | ||
| Candidate | Party | Votes |
|---|---|---|
| Dave Mastin | R | 1642 |
| Jody Clark | D | 1058 |
Columbia | ||
| Candidate | Party | Votes |
| Dave Mastin | R | 1315 |
| Jody Clark | D | 343 |
Franklin | ||
| Candidate | Party | Votes |
| Dave Mastin | R | 3859 |
| Jody Clark | D | 1872 |
Walla Walla | ||
| Candidate | Party | Votes |
| Dave Mastin | R | 7115 |
| Jody Clark | D | 2724 |