Adams |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 1813 |
| Don Magnuson | D | 1151 |
| Elmer R. Moork | IL | 0 |
Asotin |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 2375 |
| Al Canwell | R | 2080 |
| Elmer R. Moork | IL | 0 |
Benton |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 11150 |
| Al Canwell | R | 10573 |
| Elmer R. Moork | IL | 5 |
Chelan |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 9090 |
| Don Magnuson | D | 7464 |
| Elmer R. Moork | IL | 5 |
Clallam |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 5947 |
| Al Canwell | R | 5118 |
| Elmer R. Moork | IL | 8 |
Clark |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 19223 |
| Al Canwell | R | 15053 |
| Elmer R. Moork | IL | 9 |
Columbia |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 1266 |
| Don Magnuson | D | 776 |
| Elmer R. Moork | IL | 0 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 12564 |
| Al Canwell | R | 9262 |
| Elmer R. Moork | IL | 6 |
Douglas |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 2564 |
| Al Canwell | R | 2384 |
| Elmer R. Moork | IL | 0 |
Ferry |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 728 |
| Al Canwell | R | 536 |
| Elmer R. Moork | IL | 0 |
Franklin |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 3053 |
| Al Canwell | R | 2653 |
| Elmer R. Moork | IL | 0 |
Garfield |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 998 |
| Don Magnuson | D | 594 |
| Elmer R. Moork | IL | 0 |
Grant |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 4629 |
| Al Canwell | R | 3662 |
| Elmer R. Moork | IL | 0 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 12427 |
| Al Canwell | R | 9805 |
| Elmer R. Moork | IL | 8 |
Island |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 2484 |
| Don Magnuson | D | 1946 |
| Elmer R. Moork | IL | 0 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 2040 |
| Don Magnuson | D | 1977 |
| Elmer R. Moork | IL | 1 |
King |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 172239 |
| Al Canwell | R | 172236 |
| Elmer R. Moork | IL | 276 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 21649 |
| Al Canwell | R | 14408 |
| Elmer R. Moork | IL | 4 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 4273 |
| Al Canwell | R | 4074 |
| Elmer R. Moork | IL | 1 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 2211 |
| Don Magnuson | D | 2098 |
| Elmer R. Moork | IL | 0 |
Lewis |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 9661 |
| Don Magnuson | D | 8287 |
| Elmer R. Moork | IL | 2 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 3011 |
| Don Magnuson | D | 1961 |
| Elmer R. Moork | IL | 1 |
Mason |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 3974 |
| Al Canwell | R | 3158 |
| Elmer R. Moork | IL | 0 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 5082 |
| Al Canwell | R | 4991 |
| Elmer R. Moork | IL | 0 |
Pacific |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 4028 |
| Al Canwell | R | 2867 |
| Elmer R. Moork | IL | 3 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 1360 |
| Al Canwell | R | 1313 |
| Elmer R. Moork | IL | 1 |
Pierce |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 57298 |
| Al Canwell | R | 48586 |
| Elmer R. Moork | IL | 68 |
San Juan |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 972 |
| Don Magnuson | D | 681 |
| Elmer R. Moork | IL | 1 |
Skagit |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 9782 |
| Don Magnuson | D | 9061 |
| Elmer R. Moork | IL | 6 |
Skamania |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 1024 |
| Al Canwell | R | 787 |
| Elmer R. Moork | IL | 0 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 29224 |
| Al Canwell | R | 22963 |
| Elmer R. Moork | IL | 29 |
Spokane |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 49179 |
| Don Magnuson | D | 44819 |
| Elmer R. Moork | IL | 50 |
Stevens |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 3673 |
| Don Magnuson | D | 3466 |
| Elmer R. Moork | IL | 4 |
Thurston |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 11655 |
| Don Magnuson | D | 11006 |
| Elmer R. Moork | IL | 1 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Don Magnuson | D | 953 |
| Al Canwell | R | 592 |
| Elmer R. Moork | IL | 3 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 10159 |
| Don Magnuson | D | 6106 |
| Elmer R. Moork | IL | 2 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 14740 |
| Don Magnuson | D | 13758 |
| Elmer R. Moork | IL | 5 |
Whitman |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 7584 |
| Don Magnuson | D | 5032 |
| Elmer R. Moork | IL | 3 |
Yakima |
| Candidate | Party | Votes |
|---|
| Al Canwell | R | 27364 |
| Don Magnuson | D | 19266 |
| Elmer R. Moork | IL | 15 |