Adams |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 1875 |
| Don Barbieri | D | 572 |
Asotin |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 5033 |
| Don Barbieri | D | 3412 |
Columbia |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 1449 |
| Don Barbieri | D | 617 |
Ferry |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 2272 |
| Don Barbieri | D | 1007 |
Garfield |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 932 |
| Don Barbieri | D | 339 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 4234 |
| Don Barbieri | D | 1459 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 10055 |
| Don Barbieri | D | 5478 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 4098 |
| Don Barbieri | D | 1927 |
Spokane |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 113171 |
| Don Barbieri | D | 84565 |
Stevens |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 13377 |
| Don Barbieri | D | 5747 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 13512 |
| Don Barbieri | D | 8461 |
Whitman |
| Candidate | Party | Votes |
|---|
| Cathy McMorris | R | 9592 |
| Don Barbieri | D | 7749 |