| District | Winner | Runner-Up | Other | Total Votes | |||||
|---|---|---|---|---|---|---|---|---|---|
| At-Large District | Don Magnuson (D) | 515,213 | 50.5% | Al Canwell (R) | 504,783 | 49.5% | 517 [+] | 0.1% | 1,020,513 |
| District 01 | Thomas Pelly (R) | 121,926 | 51.4% | Stimson Bullitt (D) | 114,617 | 48.3% | 819 [+] | 0.3% | 237,362 |
| District 02 | Jack Westland (R) | 91,853 | 54.2% | Harry Henson (D) | 77,179 | 45.6% | 382 [+] | 0.2% | 169,414 |
| District 03 | Russell Mack* (R) | 75,165 | 53.3% | Gordon Quarnstrom (D) | 65,715 | 46.6% | 146 [+] | 0.1% | 141,026 |
| District 04 | Hal Holmes* (R) | 92,551 | 67.5% | William Bryan (D) | 44,464 | 32.5% | 0 | 0.0% | 137,015 |
| District 05 | Walt Horan* (R) | 82,530 | 56.0% | Robert Dellwo (D) | 64,820 | 44.0% | 0 | 0.0% | 147,350 |
| District 06 | Thor Tollefson* (R) | 110,169 | 59.8% | John O'Connell (D) | 74,143 | 40.2% | 0 | 0.0% | 184,312 |
| Total R vote: 574,194 (56.5%) Total D vote: 440,938 (43.4%) | |||||||||
| Opposed races only Total R vote: 574,194 (56.5%) Total D vote: 440,938 (43.4%) | |||||||||