Benton |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 22857 |
| Mike McCormack | D | 21545 |
Chelan |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 10915 |
| Mike McCormack | D | 7283 |
Clark |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 32930 |
| Sid Morrison | R | 32598 |
Douglas |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 5067 |
| Mike McCormack | D | 3550 |
Grant |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 9607 |
| Mike McCormack | D | 6701 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 6027 |
| Mike McCormack | D | 4181 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 2994 |
| Mike McCormack | D | 2855 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 1730 |
| Mike McCormack | D | 1513 |
Skamania |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 1676 |
| Sid Morrison | R | 1248 |
Yakima |
| Candidate | Party | Votes |
|---|
| Sid Morrison | R | 41648 |
| Mike McCormack | D | 17880 |