Benton |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 10348 |
| Bruce Cone | R | 3492 |
| Dick Granger | R | 1844 |
| James Collins May | R | 1557 |
Chelan |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 4920 |
| Dick Granger | R | 1546 |
| Bruce Cone | R | 1543 |
| James Collins May | R | 886 |
Clark |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 13256 |
| Dick Granger | R | 9335 |
| Bruce Cone | R | 2124 |
| James Collins May | R | 466 |
Douglas |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 2851 |
| Dick Granger | R | 648 |
| Bruce Cone | R | 647 |
| James Collins May | R | 342 |
Grant |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 5691 |
| Bruce Cone | R | 1562 |
| Dick Granger | R | 1215 |
| James Collins May | R | 823 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 3470 |
| Bruce Cone | R | 895 |
| James Collins May | R | 646 |
| Dick Granger | R | 598 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 2375 |
| Bruce Cone | R | 501 |
| Dick Granger | R | 350 |
| James Collins May | R | 259 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 1443 |
| Dick Granger | R | 293 |
| Bruce Cone | R | 195 |
| James Collins May | R | 132 |
Skamania |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 989 |
| Dick Granger | R | 374 |
| Bruce Cone | R | 107 |
| James Collins May | R | 43 |
Yakima |
| Candidate | Party | Votes |
|---|
| Mike McCormack | D | 9749 |
| Bruce Cone | R | 4651 |
| James Collins May | R | 4230 |
| Dick Granger | R | 4029 |