Adams |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 2719 |
| David A. Gallant | D | 812 |
Asotin |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 2619 |
| David A. Gallant | D | 1741 |
Benton |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 13029 |
| David A. Gallant | D | 8426 |
Columbia |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 1394 |
| David A. Gallant | D | 432 |
Franklin |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 3870 |
| David A. Gallant | D | 3143 |
Garfield |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 953 |
| David A. Gallant | D | 287 |
Grant |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 7549 |
| David A. Gallant | D | 3140 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 4694 |
| David A. Gallant | D | 2130 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 3312 |
| David A. Gallant | D | 1238 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 9764 |
| David A. Gallant | D | 4043 |
Whitman |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 7866 |
| David A. Gallant | D | 2398 |
Yakima |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 25413 |
| David A. Gallant | D | 13097 |