Benton |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 14279 |
| Susan Roylance | R | 7340 |
Chelan |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 6644 |
| Susan Roylance | R | 5460 |
Clark |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 25322 |
| Susan Roylance | R | 12968 |
Douglas |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 2791 |
| Susan Roylance | R | 2260 |
Grant |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 6109 |
| Susan Roylance | R | 4815 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 4500 |
| Susan Roylance | R | 2585 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 2705 |
| Susan Roylance | R | 1311 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 1310 |
| Susan Roylance | R | 696 |
Skamania |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 1762 |
| Susan Roylance | R | 736 |
Yakima |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 20180 |
| Susan Roylance | R | 16218 |