Adams |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 2157 |
| Hugh B. Mitchell | D | 1040 |
Asotin |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 2402 |
| Arthur B. Langlie | R | 2248 |
Benton |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 12629 |
| Hugh B. Mitchell | D | 10343 |
Chelan |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 9856 |
| Hugh B. Mitchell | D | 7893 |
Clallam |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 6086 |
| Hugh B. Mitchell | D | 5622 |
Clark |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 19069 |
| Hugh B. Mitchell | D | 17286 |
Columbia |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 1311 |
| Hugh B. Mitchell | D | 912 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 11849 |
| Arthur B. Langlie | R | 11547 |
Douglas |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 2630 |
| Arthur B. Langlie | R | 2616 |
Ferry |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 775 |
| Arthur B. Langlie | R | 624 |
Franklin |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 3048 |
| Arthur B. Langlie | R | 2964 |
Garfield |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 1070 |
| Hugh B. Mitchell | D | 624 |
Grant |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 4509 |
| Arthur B. Langlie | R | 4152 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 12784 |
| Arthur B. Langlie | R | 11207 |
Island |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 2879 |
| Hugh B. Mitchell | D | 1786 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 2386 |
| Hugh B. Mitchell | D | 1835 |
King |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 197830 |
| Hugh B. Mitchell | D | 164511 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 19606 |
| Arthur B. Langlie | R | 17559 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 4792 |
| Hugh B. Mitchell | D | 4166 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 3049 |
| Hugh B. Mitchell | D | 1860 |
Lewis |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 10916 |
| Hugh B. Mitchell | D | 8267 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 3372 |
| Hugh B. Mitchell | D | 1875 |
Mason |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 3982 |
| Arthur B. Langlie | R | 3578 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 5570 |
| Hugh B. Mitchell | D | 5116 |
Pacific |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 3720 |
| Arthur B. Langlie | R | 3709 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 1459 |
| Arthur B. Langlie | R | 1405 |
Pierce |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 58958 |
| Arthur B. Langlie | R | 52119 |
San Juan |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 1128 |
| Hugh B. Mitchell | D | 632 |
Skagit |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 10847 |
| Hugh B. Mitchell | D | 8782 |
Skamania |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 989 |
| Arthur B. Langlie | R | 980 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 29301 |
| Arthur B. Langlie | R | 25509 |
Spokane |
| Candidate | Party | Votes |
|---|
| Hugh B. Mitchell | D | 51442 |
| Arthur B. Langlie | R | 49985 |
Stevens |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 4015 |
| Hugh B. Mitchell | D | 3612 |
Thurston |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 12202 |
| Hugh B. Mitchell | D | 11319 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 900 |
| Hugh B. Mitchell | D | 824 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 9948 |
| Hugh B. Mitchell | D | 7485 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 16400 |
| Hugh B. Mitchell | D | 13720 |
Whitman |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 8948 |
| Hugh B. Mitchell | D | 4360 |
Yakima |
| Candidate | Party | Votes |
|---|
| Arthur B. Langlie | R | 30260 |
| Hugh B. Mitchell | D | 19351 |