Adams |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 3259 |
| Jim McDermott | D | 1528 |
Asotin |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 3817 |
| Jim McDermott | D | 2859 |
Benton |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 30710 |
| Jim McDermott | D | 13637 |
Chelan |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 11734 |
| Jim McDermott | D | 7670 |
Clallam |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 12729 |
| Jim McDermott | D | 9567 |
Clark |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 39225 |
| Jim McDermott | D | 32364 |
Columbia |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 1352 |
| Jim McDermott | D | 670 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 14160 |
| Jim McDermott | D | 13910 |
Douglas |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 5248 |
| Jim McDermott | D | 3462 |
Ferry |
| Candidate | Party | Votes |
|---|
| Jim McDermott | D | 1067 |
| John Spellman | R | 956 |
Franklin |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 7249 |
| Jim McDermott | D | 4454 |
Garfield |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 974 |
| Jim McDermott | D | 502 |
Grant |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 10839 |
| Jim McDermott | D | 6989 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Jim McDermott | D | 13098 |
| John Spellman | R | 12971 |
Island |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 11285 |
| Jim McDermott | D | 6998 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Jim McDermott | D | 4105 |
| John Spellman | R | 3961 |
King |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 327941 |
| Jim McDermott | D | 267218 |
Kitsap |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 36372 |
| Jim McDermott | D | 24150 |
Kittitas |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 5783 |
| Jim McDermott | D | 4822 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Jim McDermott | D | 3152 |
| John Spellman | R | 2944 |
Lewis |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 14230 |
| Jim McDermott | D | 8580 |
Lincoln |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 3471 |
| Jim McDermott | D | 1909 |
Mason |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 7414 |
| Jim McDermott | D | 6357 |
Okanogan |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 6710 |
| Jim McDermott | D | 5741 |
Pacific |
| Candidate | Party | Votes |
|---|
| Jim McDermott | D | 4650 |
| John Spellman | R | 3379 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 2045 |
| Jim McDermott | D | 1688 |
Pierce |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 98289 |
| Jim McDermott | D | 75305 |
San Juan |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 2587 |
| Jim McDermott | D | 2315 |
Skagit |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 17003 |
| Jim McDermott | D | 13683 |
Skamania |
| Candidate | Party | Votes |
|---|
| Jim McDermott | D | 1603 |
| John Spellman | R | 1361 |
Snohomish |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 75203 |
| Jim McDermott | D | 60587 |
Spokane |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 84400 |
| Jim McDermott | D | 56827 |
Stevens |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 7178 |
| Jim McDermott | D | 4322 |
Thurston |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 31803 |
| Jim McDermott | D | 23122 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Jim McDermott | D | 926 |
| John Spellman | R | 767 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 11993 |
| Jim McDermott | D | 6954 |
Whatcom |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 23722 |
| Jim McDermott | D | 22215 |
Whitman |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 9773 |
| Jim McDermott | D | 7195 |
Yakima |
| Candidate | Party | Votes |
|---|
| John Spellman | R | 36246 |
| Jim McDermott | D | 23612 |