The 1946 Iowa gubernatorial election was held on November 5, 1946. Incumbent Republican Robert D. Blue defeated Democratic nominee Frank Miles with 57.40% of the vote.
 | |||||||||||||||||
| |||||||||||||||||
| |||||||||||||||||
County results Blue: 40-50% 50-60% 60-70% 70-80% Miles: 50–60% | |||||||||||||||||
| |||||||||||||||||
Primary elections were held on June 3, 1946.[1]
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Frank Miles | 50,385 | 100.00 | |
| Total votes | 50,385 | 100.00 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Robert D. Blue (incumbent) | 141,024 | ||
| Republican | George H. Olmsted | 80,590 | ||
| Total votes | ||||
Major party candidates
Other candidates
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | Robert D. Blue (incumbent) | 362,592 | 57.40% | ||
| Democratic | Frank Miles | 266,190 | 42.14% | ||
| Prohibition | E. P. Gabriel | 2,899 | 0.46% | ||
| Majority | 96,402 | ||||
| Turnout | 631,681 | ||||
| Republican hold | Swing | ||||
