The 1940 Iowa gubernatorial election was held on November 5, 1940. Incumbent Republican George A. Wilson defeated Democratic nominee John K. Valentine with 52.72% of the vote.

Primary elections Primary elections were held on June 3, 1940.

Democratic primary

Candidates John K. Valentine, former Lieutenant Governor Edward Breen, State Senator

Results

Republican primary

Candidates George A. Wilson, incumbent Governor H. R. Gross, Newspaper reporter Irving H. Knudson, former State Senator

Results

General election

Candidates Major party candidates George A. Wilson, Republican John K. Valentine, Democratic

Other candidates M. M. Heptonstall, Prohibition Charles Speck, Communist

Results

References