Adams |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 1381 |
| Otto A. Case | D | 1107 |
Asotin |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1771 |
| Archie McLean | R | 1171 |
Benton |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 3977 |
| Archie McLean | R | 3542 |
Chelan |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 6529 |
| Archie McLean | R | 6365 |
Clallam |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 4821 |
| Archie McLean | R | 3589 |
Clark |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 17172 |
| Archie McLean | R | 11037 |
Columbia |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 1055 |
| Otto A. Case | D | 968 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 9690 |
| Archie McLean | R | 5711 |
Douglas |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1898 |
| Archie McLean | R | 1502 |
Ferry |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 713 |
| Archie McLean | R | 443 |
Franklin |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1901 |
| Archie McLean | R | 1182 |
Garfield |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 792 |
| Otto A. Case | D | 610 |
Grant |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2285 |
| Archie McLean | R | 1362 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 12704 |
| Archie McLean | R | 7421 |
Island |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1598 |
| Archie McLean | R | 1325 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1712 |
| Archie McLean | R | 1302 |
King |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 150930 |
| Archie McLean | R | 107558 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 21975 |
| Archie McLean | R | 10548 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 4083 |
| Archie McLean | R | 3011 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1865 |
| Archie McLean | R | 1760 |
Lewis |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 7855 |
| Otto A. Case | D | 7566 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2452 |
| Archie McLean | R | 2202 |
Mason |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 3083 |
| Archie McLean | R | 1839 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 4573 |
| Archie McLean | R | 3517 |
Pacific |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 3516 |
| Archie McLean | R | 2228 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1302 |
| Archie McLean | R | 958 |
Pierce |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 47756 |
| Archie McLean | R | 30251 |
San Juan |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 655 |
| Otto A. Case | D | 589 |
Skagit |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 9005 |
| Archie McLean | R | 7372 |
Skamania |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 853 |
| Archie McLean | R | 579 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 26259 |
| Archie McLean | R | 13825 |
Spokane |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 43955 |
| Archie McLean | R | 33419 |
Stevens |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 3733 |
| Archie McLean | R | 2853 |
Thurston |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 9148 |
| Archie McLean | R | 7744 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 911 |
| Archie McLean | R | 490 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 6782 |
| Otto A. Case | D | 5456 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 14071 |
| Archie McLean | R | 11720 |
Whitman |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 5292 |
| Otto A. Case | D | 5106 |
Yakima |
| Candidate | Party | Votes |
|---|
| Archie McLean | R | 19362 |
| Otto A. Case | D | 15011 |