Adams |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 2325 |
| Dan Grimm | D | 1830 |
Asotin |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 3642 |
| Andy McLaughlan | R | 2485 |
Benton |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 25079 |
| Dan Grimm | D | 16710 |
Chelan |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 10123 |
| Dan Grimm | D | 7968 |
Clallam |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 11106 |
| Andy McLaughlan | R | 10443 |
Clark |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 38863 |
| Andy McLaughlan | R | 33369 |
Columbia |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 1034 |
| Dan Grimm | D | 782 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 15222 |
| Andy McLaughlan | R | 11237 |
Douglas |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 4805 |
| Dan Grimm | D | 4035 |
Ferry |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 985 |
| Andy McLaughlan | R | 909 |
Franklin |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 5616 |
| Dan Grimm | D | 4437 |
Garfield |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 651 |
| Andy McLaughlan | R | 587 |
Grant |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 9356 |
| Dan Grimm | D | 7285 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 14258 |
| Andy McLaughlan | R | 8523 |
Island |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 11598 |
| Dan Grimm | D | 8588 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 5130 |
| Andy McLaughlan | R | 3888 |
King |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 330284 |
| Andy McLaughlan | R | 276546 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 35106 |
| Andy McLaughlan | R | 31752 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 5083 |
| Andy McLaughlan | R | 4782 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 3012 |
| Andy McLaughlan | R | 2473 |
Lewis |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 11685 |
| Dan Grimm | D | 10479 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 2439 |
| Dan Grimm | D | 1915 |
Mason |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 8244 |
| Andy McLaughlan | R | 6902 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 5853 |
| Andy McLaughlan | R | 5193 |
Pacific |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 4856 |
| Andy McLaughlan | R | 2670 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 1883 |
| Andy McLaughlan | R | 1720 |
Pierce |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 98983 |
| Andy McLaughlan | R | 77615 |
San Juan |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 2815 |
| Dan Grimm | D | 2507 |
Skagit |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 15188 |
| Andy McLaughlan | R | 15124 |
Skamania |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 1696 |
| Andy McLaughlan | R | 1133 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 78506 |
| Andy McLaughlan | R | 77523 |
Spokane |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 70134 |
| Dan Grimm | D | 66775 |
Stevens |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 6217 |
| Dan Grimm | D | 5255 |
Thurston |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 34069 |
| Andy McLaughlan | R | 30870 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 841 |
| Andy McLaughlan | R | 481 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 8541 |
| Dan Grimm | D | 7680 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Dan Grimm | D | 23651 |
| Andy McLaughlan | R | 22769 |
Whitman |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 7444 |
| Dan Grimm | D | 6820 |
Yakima |
| Candidate | Party | Votes |
|---|
| Andy McLaughlan | R | 31671 |
| Dan Grimm | D | 25047 |