Adams |
| Candidate | Party | Votes |
|---|
| Robert B. Keene | R | 2226 |
| Robert V. (Bob) Graham | D | 2216 |
Asotin |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 3725 |
| Robert B. Keene | R | 2794 |
Benton |
| Candidate | Party | Votes |
|---|
| Robert B. Keene | R | 23292 |
| Robert V. (Bob) Graham | D | 20779 |
Chelan |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 11062 |
| Robert B. Keene | R | 7363 |
Clallam |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 12594 |
| Robert B. Keene | R | 9332 |
Clark |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 40995 |
| Robert B. Keene | R | 30620 |
Columbia |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 963 |
| Robert B. Keene | R | 917 |
Cowlitz |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 17556 |
| Robert B. Keene | R | 8759 |
Douglas |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 5318 |
| Robert B. Keene | R | 3694 |
Ferry |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 1153 |
| Robert B. Keene | R | 708 |
Franklin |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 5601 |
| Robert B. Keene | R | 5047 |
Garfield |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 677 |
| Robert B. Keene | R | 607 |
Grant |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 8623 |
| Robert B. Keene | R | 7850 |
Grays Harbor |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 17971 |
| Robert B. Keene | R | 6461 |
Island |
| Candidate | Party | Votes |
|---|
| Robert B. Keene | R | 9977 |
| Robert V. (Bob) Graham | D | 8964 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 4956 |
| Robert B. Keene | R | 3138 |
King |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 344102 |
| Robert B. Keene | R | 225980 |
Kitsap |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 36355 |
| Robert B. Keene | R | 26304 |
Kittitas |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 6172 |
| Robert B. Keene | R | 4195 |
Klickitat |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 3520 |
| Robert B. Keene | R | 2609 |
Lewis |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 12969 |
| Robert B. Keene | R | 9298 |
Lincoln |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 2561 |
| Robert B. Keene | R | 2271 |
Mason |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 9291 |
| Robert B. Keene | R | 5394 |
Okanogan |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 6776 |
| Robert B. Keene | R | 5180 |
Pacific |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 5323 |
| Robert B. Keene | R | 2370 |
Pend Oreille |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 2131 |
| Robert B. Keene | R | 1636 |
Pierce |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 101328 |
| Robert B. Keene | R | 65006 |
San Juan |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 2492 |
| Robert B. Keene | R | 2282 |
Skagit |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 17516 |
| Robert B. Keene | R | 12949 |
Skamania |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 1805 |
| Robert B. Keene | R | 1190 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 84339 |
| Robert B. Keene | R | 61128 |
Spokane |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 75720 |
| Robert B. Keene | R | 65453 |
Stevens |
| Candidate | Party | Votes |
|---|
| Robert B. Keene | R | 5916 |
| Robert V. (Bob) Graham | D | 5766 |
Thurston |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 39341 |
| Robert B. Keene | R | 19223 |
Wahkiakum |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 1006 |
| Robert B. Keene | R | 439 |
Walla Walla |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 9408 |
| Robert B. Keene | R | 8214 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 27579 |
| Robert B. Keene | R | 17549 |
Whitman |
| Candidate | Party | Votes |
|---|
| Robert B. Keene | R | 7516 |
| Robert V. (Bob) Graham | D | 7363 |
Yakima |
| Candidate | Party | Votes |
|---|
| Robert V. (Bob) Graham | D | 31310 |
| Robert B. Keene | R | 26061 |