Clallam |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 3229 |
| Payson Peterson | R | 1687 |
Island |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 940 |
| Payson Peterson | R | 695 |
Jefferson |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 888 |
| Payson Peterson | R | 717 |
King |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 5195 |
| Payson Peterson | R | 3724 |
San Juan |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 466 |
| Payson Peterson | R | 403 |
Skagit |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 5612 |
| Payson Peterson | R | 4491 |
Snohomish |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 14244 |
| Payson Peterson | R | 7393 |
Whatcom |
| Candidate | Party | Votes |
|---|
| Henry M. Jackson | D | 9054 |
| Payson Peterson | R | 7463 |