Adams |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 1772 |
| David A. Gallant | D | 548 |
Asotin |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 1823 |
| David A. Gallant | D | 1331 |
Benton |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 8314 |
| David A. Gallant | D | 4518 |
Columbia |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 1082 |
| David A. Gallant | D | 318 |
Franklin |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 2115 |
| David A. Gallant | D | 1623 |
Garfield |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 425 |
| David A. Gallant | D | 104 |
Grant |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 4976 |
| David A. Gallant | D | 2354 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 3154 |
| David A. Gallant | D | 1647 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 2794 |
| David A. Gallant | D | 1076 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 6263 |
| David A. Gallant | D | 2367 |
Whitman |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 4281 |
| David A. Gallant | D | 1299 |
Yakima |
| Candidate | Party | Votes |
|---|
| Catherine May | R | 14231 |
| David A. Gallant | D | 5616 |