Adams |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 836 |
| Homer R. Jones | R | 788 |
| Howard C. Lucas | R | 212 |
| Ken Caplinger | D | 174 |
Asotin |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 641 |
| Homer R. Jones | R | 428 |
| Ken Caplinger | D | 331 |
| Howard C. Lucas | R | 299 |
Benton |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1391 |
| Homer R. Jones | R | 1002 |
| Howard C. Lucas | R | 489 |
| Ken Caplinger | D | 358 |
Chelan |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 4143 |
| Homer R. Jones | R | 3778 |
| Howard C. Lucas | R | 1213 |
| Ken Caplinger | D | 1065 |
Clallam |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2971 |
| Homer R. Jones | R | 1777 |
| Ken Caplinger | D | 740 |
| Howard C. Lucas | R | 686 |
Clark |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 4715 |
| Homer R. Jones | R | 3783 |
| Howard C. Lucas | R | 1565 |
| Ken Caplinger | D | 1277 |
Columbia |
| Candidate | Party | Votes |
|---|
| Homer R. Jones | R | 684 |
| Otto A. Case | D | 646 |
| Howard C. Lucas | R | 191 |
| Ken Caplinger | D | 159 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 4798 |
| Homer R. Jones | R | 2307 |
| Howard C. Lucas | R | 1388 |
| Ken Caplinger | D | 1300 |
Douglas |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1117 |
| Homer R. Jones | R | 947 |
| Ken Caplinger | D | 363 |
| Howard C. Lucas | R | 285 |
Ferry |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 557 |
| Homer R. Jones | R | 218 |
| Ken Caplinger | D | 163 |
| Howard C. Lucas | R | 118 |
Franklin |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 907 |
| Homer R. Jones | R | 363 |
| Ken Caplinger | D | 241 |
| Howard C. Lucas | R | 221 |
Garfield |
| Candidate | Party | Votes |
|---|
| Homer R. Jones | R | 477 |
| Otto A. Case | D | 414 |
| Howard C. Lucas | R | 165 |
| Ken Caplinger | D | 76 |
Grant |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1780 |
| Ken Caplinger | D | 1021 |
| Homer R. Jones | R | 752 |
| Howard C. Lucas | R | 329 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 7638 |
| Homer R. Jones | R | 3624 |
| Ken Caplinger | D | 1760 |
| Howard C. Lucas | R | 1449 |
Island |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 900 |
| Homer R. Jones | R | 736 |
| Ken Caplinger | D | 243 |
| Howard C. Lucas | R | 166 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 999 |
| Homer R. Jones | R | 738 |
| Ken Caplinger | D | 240 |
| Howard C. Lucas | R | 220 |
King |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 42929 |
| Homer R. Jones | R | 30720 |
| Ken Caplinger | D | 19891 |
| Howard C. Lucas | R | 13456 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Homer R. Jones | R | 5576 |
| Otto A. Case | D | 3699 |
| Ken Caplinger | D | 1656 |
| Howard C. Lucas | R | 502 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2669 |
| Homer R. Jones | R | 1077 |
| Howard C. Lucas | R | 927 |
| Ken Caplinger | D | 713 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Homer R. Jones | R | 1014 |
| Otto A. Case | D | 1001 |
| Howard C. Lucas | R | 353 |
| Ken Caplinger | D | 326 |
Lewis |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 5126 |
| Homer R. Jones | R | 3366 |
| Howard C. Lucas | R | 1676 |
| Ken Caplinger | D | 1146 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1502 |
| Homer R. Jones | R | 1257 |
| Howard C. Lucas | R | 479 |
| Ken Caplinger | D | 435 |
Mason |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 1528 |
| Homer R. Jones | R | 1006 |
| Ken Caplinger | D | 516 |
| Howard C. Lucas | R | 320 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2813 |
| Homer R. Jones | R | 1860 |
| Ken Caplinger | D | 832 |
| Howard C. Lucas | R | 667 |
Pacific |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2127 |
| Homer R. Jones | R | 1252 |
| Ken Caplinger | D | 635 |
| Howard C. Lucas | R | 539 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 844 |
| Homer R. Jones | R | 542 |
| Howard C. Lucas | R | 337 |
| Ken Caplinger | D | 242 |
Pierce |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 18978 |
| Homer R. Jones | R | 10096 |
| Ken Caplinger | D | 6978 |
| Howard C. Lucas | R | 4459 |
San Juan |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 502 |
| Homer R. Jones | R | 419 |
| Ken Caplinger | D | 150 |
| Howard C. Lucas | R | 97 |
Skagit |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 5245 |
| Homer R. Jones | R | 3921 |
| Ken Caplinger | D | 1178 |
| Howard C. Lucas | R | 1126 |
Skamania |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 633 |
| Homer R. Jones | R | 347 |
| Howard C. Lucas | R | 212 |
| Ken Caplinger | D | 151 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 11047 |
| Homer R. Jones | R | 5351 |
| Ken Caplinger | D | 4833 |
| Howard C. Lucas | R | 2571 |
Spokane |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 21594 |
| Homer R. Jones | R | 11912 |
| Howard C. Lucas | R | 11015 |
| Ken Caplinger | D | 6298 |
Stevens |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2073 |
| Homer R. Jones | R | 1385 |
| Howard C. Lucas | R | 625 |
| Ken Caplinger | D | 539 |
Thurston |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 5154 |
| Howard C. Lucas | R | 3498 |
| Homer R. Jones | R | 2791 |
| Ken Caplinger | D | 1843 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 551 |
| Homer R. Jones | R | 339 |
| Howard C. Lucas | R | 103 |
| Ken Caplinger | D | 90 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Homer R. Jones | R | 2813 |
| Otto A. Case | D | 2763 |
| Howard C. Lucas | R | 1591 |
| Ken Caplinger | D | 832 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 5750 |
| Homer R. Jones | R | 4923 |
| Howard C. Lucas | R | 2581 |
| Ken Caplinger | D | 2282 |
Whitman |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 2926 |
| Homer R. Jones | R | 2850 |
| Howard C. Lucas | R | 1248 |
| Ken Caplinger | D | 582 |
Yakima |
| Candidate | Party | Votes |
|---|
| Otto A. Case | D | 6178 |
| Howard C. Lucas | R | 5774 |
| Homer R. Jones | R | 5133 |
| Ken Caplinger | D | 2548 |
| Howard C. Lucas | R | 0 |
| Ken Caplinger | D | 0 |
| Otto A. Case | D | 0 |
| Homer R. Jones | R | 0 |