Adams |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 903 |
| Roy Erford | D | 134 |
| John C. Kennedy | FL | 11 |
Asotin |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 541 |
| Roy Erford | D | 119 |
| John C. Kennedy | FL | 16 |
Benton |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1723 |
| Roy Erford | D | 244 |
| John C. Kennedy | FL | 139 |
Chelan |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 3638 |
| Roy Erford | D | 533 |
| John C. Kennedy | FL | 78 |
Clallam |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2251 |
| John C. Kennedy | FL | 110 |
| Roy Erford | D | 82 |
Clark |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5024 |
| Roy Erford | D | 259 |
| John C. Kennedy | FL | 64 |
Columbia |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 658 |
| Roy Erford | D | 184 |
| John C. Kennedy | FL | 23 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2839 |
| Roy Erford | D | 154 |
| John C. Kennedy | FL | 41 |
Douglas |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 838 |
| Roy Erford | D | 504 |
| John C. Kennedy | FL | 26 |
Ferry |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 543 |
| Roy Erford | D | 194 |
| John C. Kennedy | FL | 16 |
Franklin |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 772 |
| Roy Erford | D | 106 |
| John C. Kennedy | FL | 55 |
Garfield |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 319 |
| Roy Erford | D | 132 |
| John C. Kennedy | FL | 9 |
Grant |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 725 |
| Roy Erford | D | 290 |
| John C. Kennedy | FL | 75 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5997 |
| Roy Erford | D | 299 |
| John C. Kennedy | FL | 224 |
Island |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 894 |
| John C. Kennedy | FL | 53 |
| Roy Erford | D | 29 |
Jefferson |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 972 |
| John C. Kennedy | FL | 53 |
| Roy Erford | D | 49 |
King |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 35344 |
| Roy Erford | D | 2252 |
| John C. Kennedy | FL | 1483 |
Kitsap |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 3454 |
| John C. Kennedy | FL | 276 |
| Roy Erford | D | 106 |
Kittitas |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2398 |
| Roy Erford | D | 206 |
| John C. Kennedy | FL | 110 |
Klickitat |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1097 |
| Roy Erford | D | 95 |
| John C. Kennedy | FL | 51 |
Lewis |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5357 |
| Roy Erford | D | 416 |
| John C. Kennedy | FL | 236 |
Lincoln |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1643 |
| Roy Erford | D | 669 |
| John C. Kennedy | FL | 43 |
Mason |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 883 |
| Roy Erford | D | 85 |
| John C. Kennedy | FL | 25 |
Okanogan |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 1892 |
| Roy Erford | D | 463 |
| John C. Kennedy | FL | 89 |
Pacific |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2281 |
| Roy Erford | D | 94 |
| John C. Kennedy | FL | 6 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 772 |
| Roy Erford | D | 223 |
| John C. Kennedy | FL | 63 |
Pierce |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 17132 |
| John C. Kennedy | FL | 1276 |
| Roy Erford | D | 1143 |
San Juan |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 631 |
| Roy Erford | D | 31 |
| John C. Kennedy | FL | 3 |
Skagit |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5006 |
| John C. Kennedy | FL | 247 |
| Roy Erford | D | 218 |
Skamania |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 546 |
| Roy Erford | D | 69 |
| John C. Kennedy | FL | 5 |
Snohomish |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 8296 |
| John C. Kennedy | FL | 692 |
| Roy Erford | D | 473 |
Spokane |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 19951 |
| Roy Erford | D | 3800 |
| John C. Kennedy | FL | 492 |
Stevens |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 2314 |
| Roy Erford | D | 420 |
| John C. Kennedy | FL | 207 |
Thurston |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5250 |
| Roy Erford | D | 199 |
| John C. Kennedy | FL | 101 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 514 |
| Roy Erford | D | 10 |
| John C. Kennedy | FL | 3 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 3128 |
| Roy Erford | D | 757 |
| John C. Kennedy | FL | 64 |
Whatcom |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 5094 |
| Roy Erford | D | 473 |
| John C. Kennedy | FL | 228 |
Whitman |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 3798 |
| Roy Erford | D | 877 |
| John C. Kennedy | FL | 27 |
Yakima |
| Candidate | Party | Votes |
|---|
| J. Grant Hinkle | R | 6727 |
| Roy Erford | D | 523 |
| John C. Kennedy | FL | 255 |