Adams |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 2703 |
| Jennifer M. Belcher | D | 1366 |
| William L. McCord | L | 173 |
Asotin |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 3394 |
| Ann Anderson | R | 3129 |
| William L. McCord | L | 427 |
Benton |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 30695 |
| Jennifer M. Belcher | D | 16346 |
| William L. McCord | L | 1989 |
Chelan |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 12531 |
| Jennifer M. Belcher | D | 7760 |
| William L. McCord | L | 705 |
Clallam |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 13730 |
| Jennifer M. Belcher | D | 11555 |
| William L. McCord | L | 1435 |
Clark |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 48982 |
| Ann Anderson | R | 44497 |
| William L. McCord | L | 4478 |
Columbia |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 1081 |
| Jennifer M. Belcher | D | 651 |
| William L. McCord | L | 72 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 16793 |
| Ann Anderson | R | 14262 |
| William L. McCord | L | 1417 |
Douglas |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 5795 |
| Jennifer M. Belcher | D | 3865 |
| William L. McCord | L | 459 |
Ferry |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 1328 |
| Jennifer M. Belcher | D | 959 |
| William L. McCord | L | 123 |
Franklin |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 6834 |
| Jennifer M. Belcher | D | 4169 |
| William L. McCord | L | 357 |
Garfield |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 721 |
| Jennifer M. Belcher | D | 446 |
| William L. McCord | L | 43 |
Grant |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 11794 |
| Jennifer M. Belcher | D | 7640 |
| William L. McCord | L | 970 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 13323 |
| Ann Anderson | R | 11330 |
| William L. McCord | L | 943 |
Island |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 12677 |
| Jennifer M. Belcher | D | 11773 |
| William L. McCord | L | 1066 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 6494 |
| Ann Anderson | R | 5048 |
| William L. McCord | L | 564 |
King |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 428465 |
| Ann Anderson | R | 270278 |
| William L. McCord | L | 22327 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 43860 |
| Ann Anderson | R | 35016 |
| William L. McCord | L | 3520 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 6048 |
| Jennifer M. Belcher | D | 5261 |
| William L. McCord | L | 368 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 3094 |
| Jennifer M. Belcher | D | 2792 |
| William L. McCord | L | 328 |
Lewis |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 15508 |
| Jennifer M. Belcher | D | 8712 |
| William L. McCord | L | 1304 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 2809 |
| Jennifer M. Belcher | D | 1685 |
| William L. McCord | L | 167 |
Mason |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 9714 |
| Ann Anderson | R | 8348 |
| William L. McCord | L | 761 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 6284 |
| Jennifer M. Belcher | D | 4985 |
| William L. McCord | L | 699 |
Pacific |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 4632 |
| Ann Anderson | R | 3531 |
| William L. McCord | L | 449 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 2253 |
| Jennifer M. Belcher | D | 1892 |
| William L. McCord | L | 242 |
Pierce |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 122610 |
| Ann Anderson | R | 95713 |
| William L. McCord | L | 7955 |
San Juan |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 3488 |
| Ann Anderson | R | 2667 |
| William L. McCord | L | 320 |
Skagit |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 18927 |
| Jennifer M. Belcher | D | 18385 |
| William L. McCord | L | 1471 |
Skamania |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 1562 |
| Ann Anderson | R | 1455 |
| William L. McCord | L | 262 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 105125 |
| Ann Anderson | R | 94816 |
| William L. McCord | L | 8372 |
Spokane |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 77544 |
| Jennifer M. Belcher | D | 76189 |
| William L. McCord | L | 5743 |
Stevens |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 8229 |
| Jennifer M. Belcher | D | 4950 |
| William L. McCord | L | 662 |
Thurston |
| Candidate | Party | Votes |
|---|
| Jennifer M. Belcher | D | 46275 |
| Ann Anderson | R | 31621 |
| William L. McCord | L | 3087 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 866 |
| Jennifer M. Belcher | D | 703 |
| William L. McCord | L | 60 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 10723 |
| Jennifer M. Belcher | D | 6834 |
| William L. McCord | L | 820 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 31582 |
| Jennifer M. Belcher | D | 28521 |
| William L. McCord | L | 1544 |
Whitman |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 8052 |
| Jennifer M. Belcher | D | 7125 |
| William L. McCord | L | 627 |
Yakima |
| Candidate | Party | Votes |
|---|
| Ann Anderson | R | 36940 |
| Jennifer M. Belcher | D | 23108 |
| William L. McCord | L | 1640 |