Adams |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 1347 |
| Dan Grimm | D | 1115 |
Asotin |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 1862 |
| Claude Oliver | R | 1263 |
Benton |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 19438 |
| Dan Grimm | D | 6928 |
Chelan |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 6001 |
| Dan Grimm | D | 4721 |
Clallam |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 7753 |
| Claude Oliver | R | 6974 |
Clark |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 17727 |
| Claude Oliver | R | 17197 |
Columbia |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 484 |
| Dan Grimm | D | 429 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 9056 |
| Claude Oliver | R | 5450 |
Douglas |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 2980 |
| Dan Grimm | D | 2706 |
Ferry |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 685 |
| Claude Oliver | R | 519 |
Franklin |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 4070 |
| Dan Grimm | D | 2229 |
Garfield |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 303 |
| Claude Oliver | R | 273 |
Grant |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 5880 |
| Dan Grimm | D | 5114 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 9309 |
| Claude Oliver | R | 4218 |
Island |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 7102 |
| Claude Oliver | R | 7092 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 4006 |
| Claude Oliver | R | 2751 |
King |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 193968 |
| Claude Oliver | R | 126325 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 24564 |
| Claude Oliver | R | 18018 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 3122 |
| Claude Oliver | R | 2733 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 1725 |
| Claude Oliver | R | 1497 |
Lewis |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 7043 |
| Dan Grimm | D | 6768 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 1507 |
| Dan Grimm | D | 1267 |
Mason |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 6354 |
| Claude Oliver | R | 4298 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 3558 |
| Claude Oliver | R | 2699 |
Pacific |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 3436 |
| Claude Oliver | R | 1486 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 1540 |
| Claude Oliver | R | 1170 |
Pierce |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 65680 |
| Claude Oliver | R | 41818 |
San Juan |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 1770 |
| Dan Grimm | D | 1744 |
Skagit |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 12017 |
| Claude Oliver | R | 9940 |
Skamania |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 977 |
| Claude Oliver | R | 678 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 51556 |
| Claude Oliver | R | 40013 |
Spokane |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 43626 |
| Claude Oliver | R | 38302 |
Stevens |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 3819 |
| Dan Grimm | D | 3721 |
Thurston |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 26465 |
| Claude Oliver | R | 17184 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 543 |
| Claude Oliver | R | 324 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 5059 |
| Dan Grimm | D | 4461 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 13768 |
| Claude Oliver | R | 11987 |
Whitman |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 3370 |
| Claude Oliver | R | 3350 |
Yakima |
| Candidate | Party | Votes |
|---|
| Claude Oliver | R | 20933 |
| Dan Grimm | D | 14000 |