Adams |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 2107 |
| Philip Evans | R | 1431 |
Asotin |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 3120 |
| Philip Evans | R | 1673 |
Benton |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 14889 |
| Philip Evans | R | 9489 |
Chelan |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 9710 |
| Philip Evans | R | 7278 |
Clallam |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 7391 |
| Philip Evans | R | 4131 |
Clark |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 22845 |
| Philip Evans | R | 13387 |
Columbia |
| Candidate | Party | Votes |
|---|
| Philip Evans | R | 965 |
| Don Magnuson | D | 965 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 14364 |
| Philip Evans | R | 8497 |
Douglas |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 3581 |
| Philip Evans | R | 1765 |
Ferry |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 946 |
| Philip Evans | R | 405 |
Franklin |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 5285 |
| Philip Evans | R | 2385 |
Garfield |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 785 |
| Philip Evans | R | 639 |
Grant |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 8881 |
| Philip Evans | R | 3830 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 15118 |
| Philip Evans | R | 7224 |
Island |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 2576 |
| Philip Evans | R | 2260 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 2357 |
| Philip Evans | R | 1368 |
King |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 193611 |
| Philip Evans | R | 158452 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 24906 |
| Philip Evans | R | 10973 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 4639 |
| Philip Evans | R | 3320 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 2880 |
| Philip Evans | R | 1819 |
Lewis |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 9899 |
| Philip Evans | R | 7617 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 2865 |
| Philip Evans | R | 2139 |
Mason |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 4759 |
| Philip Evans | R | 2579 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 6614 |
| Philip Evans | R | 3336 |
Pacific |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 4576 |
| Philip Evans | R | 2358 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 1749 |
| Philip Evans | R | 1022 |
Pierce |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 65932 |
| Philip Evans | R | 39401 |
San Juan |
| Candidate | Party | Votes |
|---|
| Philip Evans | R | 800 |
| Don Magnuson | D | 737 |
Skagit |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 11288 |
| Philip Evans | R | 8606 |
Skamania |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 1358 |
| Philip Evans | R | 681 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 37314 |
| Philip Evans | R | 20677 |
Spokane |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 57231 |
| Philip Evans | R | 45468 |
Stevens |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 4624 |
| Philip Evans | R | 2996 |
Thurston |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 12614 |
| Philip Evans | R | 9847 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 1065 |
| Philip Evans | R | 529 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Philip Evans | R | 8647 |
| Don Magnuson | D | 7932 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 17088 |
| Philip Evans | R | 12929 |
Whitman |
| Candidate | Party | Votes |
|---|
| Philip Evans | R | 6222 |
| Don Magnuson | D | 6169 |
Yakima |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 26348 |
| Philip Evans | R | 22751 |