Adams |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 2107 |
| Deborah Senn | D | 2026 |
| Steve Sevick | NLP | 123 |
Asotin |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 3382 |
| Anthony (Tony) Lowe | R | 3046 |
| Steve Sevick | NLP | 254 |
Benton |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 25001 |
| Anthony (Tony) Lowe | R | 23592 |
| Steve Sevick | NLP | 1699 |
Chelan |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 11187 |
| Deborah Senn | D | 10045 |
| Steve Sevick | NLP | 669 |
Clallam |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 14533 |
| Anthony (Tony) Lowe | R | 11755 |
| Steve Sevick | NLP | 931 |
Clark |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 51323 |
| Anthony (Tony) Lowe | R | 48405 |
| Steve Sevick | NLP | 4051 |
Columbia |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 901 |
| Deborah Senn | D | 817 |
| Steve Sevick | NLP | 56 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 16794 |
| Anthony (Tony) Lowe | R | 12269 |
| Steve Sevick | NLP | 1143 |
Douglas |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 5067 |
| Deborah Senn | D | 4689 |
| Steve Sevick | NLP | 303 |
Ferry |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 1348 |
| Anthony (Tony) Lowe | R | 1156 |
| Steve Sevick | NLP | 110 |
Franklin |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 5658 |
| Anthony (Tony) Lowe | R | 5569 |
| Steve Sevick | NLP | 268 |
Garfield |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 571 |
| Deborah Senn | D | 558 |
| Steve Sevick | NLP | 41 |
Grant |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 10044 |
| Deborah Senn | D | 9602 |
| Steve Sevick | NLP | 689 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 15005 |
| Anthony (Tony) Lowe | R | 8236 |
| Steve Sevick | NLP | 889 |
Island |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 14010 |
| Anthony (Tony) Lowe | R | 11729 |
| Steve Sevick | NLP | 925 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 7922 |
| Anthony (Tony) Lowe | R | 4677 |
| Steve Sevick | NLP | 464 |
King |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 415171 |
| Anthony (Tony) Lowe | R | 249635 |
| Steve Sevick | NLP | 20810 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 47074 |
| Anthony (Tony) Lowe | R | 36579 |
| Steve Sevick | NLP | 2572 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 6393 |
| Anthony (Tony) Lowe | R | 4842 |
| Steve Sevick | NLP | 424 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 3031 |
| Anthony (Tony) Lowe | R | 2901 |
| Steve Sevick | NLP | 239 |
Lewis |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 12946 |
| Deborah Senn | D | 11479 |
| Steve Sevick | NLP | 963 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 2469 |
| Deborah Senn | D | 2110 |
| Steve Sevick | NLP | 110 |
Mason |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 11220 |
| Anthony (Tony) Lowe | R | 7677 |
| Steve Sevick | NLP | 741 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 5671 |
| Anthony (Tony) Lowe | R | 5670 |
| Steve Sevick | NLP | 557 |
Pacific |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 5201 |
| Anthony (Tony) Lowe | R | 2815 |
| Steve Sevick | NLP | 291 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 2447 |
| Anthony (Tony) Lowe | R | 2030 |
| Steve Sevick | NLP | 176 |
Pierce |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 126336 |
| Anthony (Tony) Lowe | R | 91806 |
| Steve Sevick | NLP | 6713 |
San Juan |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 3803 |
| Anthony (Tony) Lowe | R | 2435 |
| Steve Sevick | NLP | 361 |
Skagit |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 20560 |
| Anthony (Tony) Lowe | R | 16420 |
| Steve Sevick | NLP | 1402 |
Skamania |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 1733 |
| Anthony (Tony) Lowe | R | 1437 |
| Steve Sevick | NLP | 143 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 113051 |
| Anthony (Tony) Lowe | R | 89605 |
| Steve Sevick | NLP | 6038 |
Spokane |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 79868 |
| Anthony (Tony) Lowe | R | 69511 |
| Steve Sevick | NLP | 3506 |
Stevens |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 7555 |
| Deborah Senn | D | 6966 |
| Steve Sevick | NLP | 612 |
Thurston |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 44209 |
| Anthony (Tony) Lowe | R | 34506 |
| Steve Sevick | NLP | 3096 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 831 |
| Anthony (Tony) Lowe | R | 662 |
| Steve Sevick | NLP | 74 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 8947 |
| Anthony (Tony) Lowe | R | 8575 |
| Steve Sevick | NLP | 566 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 30613 |
| Anthony (Tony) Lowe | R | 26202 |
| Steve Sevick | NLP | 2370 |
Whitman |
| Candidate | Party | Votes |
|---|
| Deborah Senn | D | 7091 |
| Anthony (Tony) Lowe | R | 6485 |
| Steve Sevick | NLP | 531 |
Yakima |
| Candidate | Party | Votes |
|---|
| Anthony (Tony) Lowe | R | 29206 |
| Deborah Senn | D | 27314 |
| Steve Sevick | NLP | 1438 |