Adams |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 1868 |
| Henry M. Jackson | D | 1238 |
| Henry Killman | SL | 0 |
| Thomas C. Rabbitt | P | 0 |
Asotin |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 2474 |
| Harry P. Cain | R | 2188 |
| Henry Killman | SL | 1 |
| Thomas C. Rabbitt | P | 0 |
Benton |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 12092 |
| Harry P. Cain | R | 10497 |
| Thomas C. Rabbitt | P | 4 |
| Henry Killman | SL | 0 |
Chelan |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 8827 |
| Henry M. Jackson | D | 8515 |
| Thomas C. Rabbitt | P | 8 |
| Henry Killman | SL | 4 |
Clallam |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 7661 |
| Harry P. Cain | R | 4146 |
| Thomas C. Rabbitt | P | 40 |
| Henry Killman | SL | 4 |
Clark |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 20499 |
| Harry P. Cain | R | 15038 |
| Thomas C. Rabbitt | P | 46 |
| Henry Killman | SL | 13 |
Columbia |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 1301 |
| Henry M. Jackson | D | 871 |
| Henry Killman | SL | 0 |
| Thomas C. Rabbitt | P | 0 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 13137 |
| Harry P. Cain | R | 9677 |
| Thomas C. Rabbitt | P | 23 |
| Henry Killman | SL | 3 |
Douglas |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 2800 |
| Harry P. Cain | R | 2363 |
| Thomas C. Rabbitt | P | 2 |
| Henry Killman | SL | 0 |
Ferry |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 775 |
| Harry P. Cain | R | 569 |
| Thomas C. Rabbitt | P | 3 |
| Henry Killman | SL | 0 |
Franklin |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 3352 |
| Harry P. Cain | R | 2576 |
| Thomas C. Rabbitt | P | 2 |
| Henry Killman | SL | 1 |
Garfield |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 936 |
| Henry M. Jackson | D | 710 |
| Henry Killman | SL | 0 |
| Thomas C. Rabbitt | P | 0 |
Grant |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 5412 |
| Harry P. Cain | R | 3133 |
| Thomas C. Rabbitt | P | 2 |
| Henry Killman | SL | 0 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 13276 |
| Harry P. Cain | R | 10174 |
| Thomas C. Rabbitt | P | 52 |
| Henry Killman | SL | 47 |
Island |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 2551 |
| Harry P. Cain | R | 2091 |
| Thomas C. Rabbitt | P | 4 |
| Henry Killman | SL | 1 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 2404 |
| Harry P. Cain | R | 1763 |
| Thomas C. Rabbitt | P | 5 |
| Henry Killman | SL | 0 |
King |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 204490 |
| Harry P. Cain | R | 148351 |
| Thomas C. Rabbitt | P | 972 |
| Henry Killman | SL | 310 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 24528 |
| Harry P. Cain | R | 12150 |
| Thomas C. Rabbitt | P | 21 |
| Henry Killman | SL | 11 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 4660 |
| Harry P. Cain | R | 4091 |
| Thomas C. Rabbitt | P | 3 |
| Henry Killman | SL | 0 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 2356 |
| Henry M. Jackson | D | 2352 |
| Henry Killman | SL | 6 |
| Thomas C. Rabbitt | P | 1 |
Lewis |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 10016 |
| Henry M. Jackson | D | 8795 |
| Thomas C. Rabbitt | P | 21 |
| Henry Killman | SL | 9 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 2936 |
| Henry M. Jackson | D | 2221 |
| Henry Killman | SL | 0 |
| Thomas C. Rabbitt | P | 0 |
Mason |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 4486 |
| Harry P. Cain | R | 2899 |
| Thomas C. Rabbitt | P | 7 |
| Henry Killman | SL | 2 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 5568 |
| Harry P. Cain | R | 4902 |
| Thomas C. Rabbitt | P | 5 |
| Henry Killman | SL | 1 |
Pacific |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 4142 |
| Harry P. Cain | R | 3083 |
| Thomas C. Rabbitt | P | 10 |
| Henry Killman | SL | 0 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 1432 |
| Harry P. Cain | R | 1323 |
| Thomas C. Rabbitt | P | 3 |
| Henry Killman | SL | 1 |
Pierce |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 67328 |
| Harry P. Cain | R | 42895 |
| Thomas C. Rabbitt | P | 223 |
| Henry Killman | SL | 86 |
San Juan |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 890 |
| Harry P. Cain | R | 856 |
| Thomas C. Rabbitt | P | 6 |
| Henry Killman | SL | 3 |
Skagit |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 10918 |
| Harry P. Cain | R | 8554 |
| Thomas C. Rabbitt | P | 61 |
| Henry Killman | SL | 11 |
Skamania |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 1108 |
| Harry P. Cain | R | 824 |
| Thomas C. Rabbitt | P | 3 |
| Henry Killman | SL | 0 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 35927 |
| Harry P. Cain | R | 18544 |
| Thomas C. Rabbitt | P | 160 |
| Henry Killman | SL | 35 |
Spokane |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 51345 |
| Harry P. Cain | R | 46208 |
| Thomas C. Rabbitt | P | 84 |
| Henry Killman | SL | 54 |
Stevens |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 3821 |
| Henry M. Jackson | D | 3653 |
| Thomas C. Rabbitt | P | 6 |
| Henry Killman | SL | 1 |
Thurston |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 12719 |
| Harry P. Cain | R | 10501 |
| Thomas C. Rabbitt | P | 39 |
| Henry Killman | SL | 1 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 965 |
| Harry P. Cain | R | 677 |
| Henry Killman | SL | 5 |
| Thomas C. Rabbitt | P | 0 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 9715 |
| Henry M. Jackson | D | 7455 |
| Henry Killman | SL | 2 |
| Thomas C. Rabbitt | P | 2 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 16214 |
| Harry P. Cain | R | 13634 |
| Thomas C. Rabbitt | P | 64 |
| Henry Killman | SL | 19 |
Whitman |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 7628 |
| Henry M. Jackson | D | 5399 |
| Thomas C. Rabbitt | P | 8 |
| Henry Killman | SL | 3 |
Yakima |
| Candidate | Party | Votes |
|---|
| Harry P. Cain | R | 27773 |
| Henry M. Jackson | D | 20926 |
| Thomas C. Rabbitt | P | 22 |
| Henry Killman | SL | 17 |