Adams |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 2112 |
| Marlyn A. Derby | R | 626 |
Asotin |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 2936 |
| Marlyn A. Derby | R | 732 |
Columbia |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 1085 |
| Marlyn A. Derby | R | 333 |
Ferry |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 910 |
| Marlyn A. Derby | R | 300 |
Garfield |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 847 |
| Marlyn A. Derby | R | 207 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 1981 |
| Marlyn A. Derby | R | 605 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 1716 |
| Marlyn A. Derby | R | 497 |
Spokane |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 52911 |
| Marlyn A. Derby | R | 16237 |
Stevens |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 4502 |
| Marlyn A. Derby | R | 2119 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 6660 |
| Marlyn A. Derby | R | 1939 |
Whitman |
| Candidate | Party | Votes |
|---|
| Thomas S. Foley | D | 5563 |
| Marlyn A. Derby | R | 1705 |