Adams |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 1316 |
| Warren G. Magnuson | D | 964 |
| Herbert J. Phillips | IC | 1 |
| H.J. Churchward | SL | 0 |
Asotin |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 2038 |
| Walter Williams | R | 1407 |
| Herbert J. Phillips | IC | 8 |
| H.J. Churchward | SL | 0 |
Benton |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 7261 |
| Warren G. Magnuson | D | 5815 |
| Herbert J. Phillips | IC | 31 |
| H.J. Churchward | SL | 13 |
Chelan |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 7368 |
| Warren G. Magnuson | D | 5819 |
| H.J. Churchward | SL | 7 |
| Herbert J. Phillips | IC | 7 |
Clallam |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 5005 |
| Walter Williams | R | 3850 |
| Herbert J. Phillips | IC | 26 |
| H.J. Churchward | SL | 11 |
Clark |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 16309 |
| Walter Williams | R | 9547 |
| Herbert J. Phillips | IC | 51 |
| H.J. Churchward | SL | 24 |
Columbia |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 1097 |
| Warren G. Magnuson | D | 675 |
| H.J. Churchward | SL | 0 |
| Herbert J. Phillips | IC | 0 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 9081 |
| Walter Williams | R | 6300 |
| Herbert J. Phillips | IC | 20 |
| H.J. Churchward | SL | 16 |
Douglas |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 1826 |
| Walter Williams | R | 1779 |
| H.J. Churchward | SL | 2 |
| Herbert J. Phillips | IC | 0 |
Ferry |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 701 |
| Walter Williams | R | 395 |
| H.J. Churchward | SL | 2 |
| Herbert J. Phillips | IC | 2 |
Franklin |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 1858 |
| Walter Williams | R | 1828 |
| H.J. Churchward | SL | 4 |
| Herbert J. Phillips | IC | 1 |
Garfield |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 845 |
| Warren G. Magnuson | D | 555 |
| H.J. Churchward | SL | 2 |
| Herbert J. Phillips | IC | 0 |
Grant |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 3635 |
| Walter Williams | R | 2109 |
| Herbert J. Phillips | IC | 9 |
| H.J. Churchward | SL | 8 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 10317 |
| Walter Williams | R | 6693 |
| Herbert J. Phillips | IC | 60 |
| H.J. Churchward | SL | 41 |
Island |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 1836 |
| Warren G. Magnuson | D | 1706 |
| H.J. Churchward | SL | 8 |
| Herbert J. Phillips | IC | 6 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 1672 |
| Walter Williams | R | 1399 |
| H.J. Churchward | SL | 8 |
| Herbert J. Phillips | IC | 8 |
King |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 124262 |
| Walter Williams | R | 110427 |
| Herbert J. Phillips | IC | 1548 |
| H.J. Churchward | SL | 375 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 17580 |
| Walter Williams | R | 7682 |
| H.J. Churchward | SL | 27 |
| Herbert J. Phillips | IC | 21 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 3960 |
| Walter Williams | R | 3316 |
| H.J. Churchward | SL | 5 |
| Herbert J. Phillips | IC | 4 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 2007 |
| Walter Williams | R | 1629 |
| H.J. Churchward | SL | 2 |
| Herbert J. Phillips | IC | 1 |
Lewis |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 7572 |
| Warren G. Magnuson | D | 7213 |
| Herbert J. Phillips | IC | 24 |
| H.J. Churchward | SL | 12 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 2337 |
| Warren G. Magnuson | D | 1961 |
| H.J. Churchward | SL | 3 |
| Herbert J. Phillips | IC | 0 |
Mason |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 3293 |
| Walter Williams | R | 2222 |
| Herbert J. Phillips | IC | 9 |
| H.J. Churchward | SL | 5 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 4703 |
| Walter Williams | R | 3673 |
| Herbert J. Phillips | IC | 67 |
| H.J. Churchward | SL | 23 |
Pacific |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 3422 |
| Walter Williams | R | 2376 |
| Herbert J. Phillips | IC | 9 |
| H.J. Churchward | SL | 4 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 1227 |
| Walter Williams | R | 1014 |
| H.J. Churchward | SL | 1 |
| Herbert J. Phillips | IC | 1 |
Pierce |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 43776 |
| Walter Williams | R | 30448 |
| Herbert J. Phillips | IC | 411 |
| H.J. Churchward | SL | 363 |
San Juan |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 755 |
| Walter Williams | R | 706 |
| H.J. Churchward | SL | 4 |
| Herbert J. Phillips | IC | 2 |
Skagit |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 8293 |
| Walter Williams | R | 7094 |
| Herbert J. Phillips | IC | 58 |
| H.J. Churchward | SL | 12 |
Skamania |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 931 |
| Walter Williams | R | 569 |
| H.J. Churchward | SL | 1 |
| Herbert J. Phillips | IC | 0 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 22809 |
| Walter Williams | R | 14271 |
| Herbert J. Phillips | IC | 257 |
| H.J. Churchward | SL | 162 |
Spokane |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 35574 |
| Warren G. Magnuson | D | 34215 |
| Herbert J. Phillips | IC | 157 |
| H.J. Churchward | SL | 73 |
Stevens |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 3353 |
| Walter Williams | R | 2906 |
| Herbert J. Phillips | IC | 8 |
| H.J. Churchward | SL | 4 |
Thurston |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 9000 |
| Walter Williams | R | 8703 |
| Herbert J. Phillips | IC | 32 |
| H.J. Churchward | SL | 14 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 808 |
| Walter Williams | R | 495 |
| H.J. Churchward | SL | 3 |
| Herbert J. Phillips | IC | 2 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 8246 |
| Warren G. Magnuson | D | 4899 |
| H.J. Churchward | SL | 3 |
| Herbert J. Phillips | IC | 3 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Warren G. Magnuson | D | 12440 |
| Walter Williams | R | 11630 |
| Herbert J. Phillips | IC | 154 |
| H.J. Churchward | SL | 124 |
Whitman |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 5850 |
| Warren G. Magnuson | D | 4689 |
| Herbert J. Phillips | IC | 11 |
| H.J. Churchward | SL | 5 |
Yakima |
| Candidate | Party | Votes |
|---|
| Walter Williams | R | 18694 |
| Warren G. Magnuson | D | 14147 |
| Herbert J. Phillips | IC | 111 |
| H.J. Churchward | SL | 109 |