Adams |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 2636 |
| Roy Mundy | D | 1449 |
Asotin |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 2758 |
| Roy Mundy | D | 2756 |
Benton |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 14168 |
| Roy Mundy | D | 11677 |
Columbia |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 1444 |
| Roy Mundy | D | 591 |
Franklin |
| Candidate | Party | Votes |
|---|
| Roy Mundy | D | 4738 |
| Catherine May | R | 4313 |
Garfield |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 1025 |
| Roy Mundy | D | 494 |
Grant |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 7553 |
| Roy Mundy | D | 6959 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 4708 |
| Roy Mundy | D | 3897 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 3116 |
| Roy Mundy | D | 2071 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 12416 |
| Roy Mundy | D | 5599 |
Whitman |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 8918 |
| Roy Mundy | D | 4050 |
Yakima |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 31155 |
| Roy Mundy | D | 21683 |