Adams |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1065 |
| Roy Erford | D | 478 |
| John C. Kennedy | FL | 189 |
| May L. Williams | STA | 3 |
Asotin |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1271 |
| Roy Erford | D | 534 |
| John C. Kennedy | FL | 176 |
| May L. Williams | STA | 3 |
Benton |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2046 |
| John C. Kennedy | FL | 878 |
| Roy Erford | D | 600 |
| May L. Williams | STA | 8 |
Chelan |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 4800 |
| Roy Erford | D | 2361 |
| John C. Kennedy | FL | 189 |
| May L. Williams | STA | 6 |
Clallam |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2466 |
| John C. Kennedy | FL | 480 |
| Roy Erford | D | 445 |
| May L. Williams | STA | 6 |
Clark |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 6378 |
| Roy Erford | D | 1917 |
| John C. Kennedy | FL | 919 |
| May L. Williams | STA | 137 |
Columbia |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1256 |
| Roy Erford | D | 582 |
| John C. Kennedy | FL | 123 |
| May L. Williams | STA | 1 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 3603 |
| Roy Erford | D | 1229 |
| John C. Kennedy | FL | 327 |
| May L. Williams | STA | 22 |
Douglas |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1267 |
| Roy Erford | D | 891 |
| John C. Kennedy | FL | 94 |
| May L. Williams | STA | 6 |
Ferry |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 636 |
| Roy Erford | D | 528 |
| John C. Kennedy | FL | 123 |
| May L. Williams | STA | 6 |
Franklin |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 932 |
| John C. Kennedy | FL | 529 |
| Roy Erford | D | 399 |
| May L. Williams | STA | 2 |
Garfield |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 898 |
| Roy Erford | D | 331 |
| John C. Kennedy | FL | 20 |
| May L. Williams | STA | 0 |
Grant |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1032 |
| Roy Erford | D | 478 |
| John C. Kennedy | FL | 202 |
| May L. Williams | STA | 16 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 9018 |
| Roy Erford | D | 1747 |
| John C. Kennedy | FL | 1396 |
| May L. Williams | STA | 49 |
Island |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1003 |
| John C. Kennedy | FL | 308 |
| Roy Erford | D | 195 |
| May L. Williams | STA | 5 |
Jefferson |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1052 |
| Roy Erford | D | 232 |
| John C. Kennedy | FL | 195 |
| May L. Williams | STA | 15 |
King |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 62240 |
| Roy Erford | D | 12615 |
| John C. Kennedy | FL | 7454 |
| May L. Williams | STA | 474 |
Kitsap |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 4633 |
| John C. Kennedy | FL | 1259 |
| Roy Erford | D | 1066 |
| May L. Williams | STA | 78 |
Kittitas |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2890 |
| Roy Erford | D | 810 |
| John C. Kennedy | FL | 574 |
| May L. Williams | STA | 15 |
Klickitat |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1705 |
| Roy Erford | D | 487 |
| John C. Kennedy | FL | 198 |
| May L. Williams | STA | 30 |
Lewis |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 7534 |
| Roy Erford | D | 2129 |
| John C. Kennedy | FL | 1181 |
| May L. Williams | STA | 34 |
Lincoln |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2530 |
| Roy Erford | D | 1286 |
| John C. Kennedy | FL | 152 |
| May L. Williams | STA | 9 |
Mason |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1091 |
| Roy Erford | D | 292 |
| John C. Kennedy | FL | 159 |
| May L. Williams | STA | 14 |
Okanogan |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2882 |
| Roy Erford | D | 1216 |
| John C. Kennedy | FL | 345 |
| May L. Williams | STA | 9 |
Pacific |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2919 |
| Roy Erford | D | 560 |
| John C. Kennedy | FL | 156 |
| May L. Williams | STA | 2 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1168 |
| Roy Erford | D | 369 |
| John C. Kennedy | FL | 239 |
| May L. Williams | STA | 0 |
Pierce |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 23625 |
| John C. Kennedy | FL | 7647 |
| Roy Erford | D | 4950 |
| May L. Williams | STA | 138 |
San Juan |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 777 |
| Roy Erford | D | 154 |
| John C. Kennedy | FL | 29 |
| May L. Williams | STA | 1 |
Skagit |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5728 |
| John C. Kennedy | FL | 1943 |
| Roy Erford | D | 1388 |
| May L. Williams | STA | 33 |
Skamania |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 592 |
| Roy Erford | D | 187 |
| John C. Kennedy | FL | 52 |
| May L. Williams | STA | 11 |
Snohomish |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 11299 |
| Roy Erford | D | 3169 |
| John C. Kennedy | FL | 2741 |
| May L. Williams | STA | 71 |
Spokane |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 30671 |
| Roy Erford | D | 10454 |
| John C. Kennedy | FL | 1538 |
| May L. Williams | STA | 31 |
Stevens |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 3346 |
| Roy Erford | D | 1512 |
| John C. Kennedy | FL | 501 |
| May L. Williams | STA | 19 |
Thurston |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 6313 |
| Roy Erford | D | 1223 |
| John C. Kennedy | FL | 804 |
| May L. Williams | STA | 28 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 573 |
| Roy Erford | D | 63 |
| John C. Kennedy | FL | 51 |
| May L. Williams | STA | 7 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5906 |
| Roy Erford | D | 1947 |
| John C. Kennedy | FL | 420 |
| May L. Williams | STA | 12 |
Whatcom |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 9532 |
| Roy Erford | D | 2187 |
| John C. Kennedy | FL | 958 |
| May L. Williams | STA | 121 |
Whitman |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 6076 |
| Roy Erford | D | 2465 |
| John C. Kennedy | FL | 220 |
| May L. Williams | STA | 12 |
Yakima |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 12206 |
| Roy Erford | D | 3393 |
| John C. Kennedy | FL | 1548 |
| May L. Williams | STA | 44 |