Island | ||
| Candidate | Party | Votes |
|---|---|---|
| John Nance Garner | R | 5107 |
| Al Swift | D | 4863 |
King | ||
| Candidate | Party | Votes |
| John Nance Garner | R | 11452 |
| Al Swift | D | 8646 |
San Juan | ||
| Candidate | Party | Votes |
| John Nance Garner | R | 1801 |
| Al Swift | D | 1363 |
Skagit | ||
| Candidate | Party | Votes |
| John Nance Garner | R | 9768 |
| Al Swift | D | 9304 |
Snohomish | ||
| Candidate | Party | Votes |
| Al Swift | D | 30437 |
| John Nance Garner | R | 26038 |
Whatcom | ||
| Candidate | Party | Votes |
| Al Swift | D | 16007 |
| John Nance Garner | R | 12627 |