The 1920 Wisconsin gubernatorial election was held on November 2, 1920. Primary elections were held on September 7, 1920.
Republican candidate John J. Blaine won the election with 52.98% of the vote, winning his first of three terms as Governor of Wisconsin. Blaine defeated Democratic Party candidate Robert McCoy, Social-Democratic candidate William Coleman and Prohibition Party candidate Henry H. Tubbs.
Republican party
Candidates
Nominee
- John J. Blaine, incumbent Attorney General of Wisconsin
Eliminated in primary
- Edward Dithmar, incumbent Lieutenant Governor
- Merlin Hull, incumbent Secretary of State of Wisconsin
- Gilbert E. Seaman, regent of the University of Wisconsin
- James N. Tittemore, unsuccessful candidate for Republican nomination for Governor in 1918
- Roy P. Wilcox, incumbent State Senator, unsuccessful candidate for Republican nomination for Governor in 1918
Declined
- Joseph D. Beck, former chairman of the Wisconsin Industrial Commission (1915–1917)
Democratic party
Nominee
- Robert Bruce McCoy, general in the National Guard, former Monroe County Court judge and Mayor of Sparta
Nominee
- William Coleman, union organizer, unsuccessful candidate for the Wisconsin House of Representatives in 1908
Prohibition party
Nominee
- Henry H. Tubbs, Prohibition nominee for Wisconsin's 1st congressional district in 1904
General election
Results by county
McCoy was the first Democrat to ever win Rock County. He was also the first Democrat since Nelson Dewey in 1848 to win Walworth County and the first since George W. Peck in 1892 to win Oneida County.
Counties that flipped from Democratic to Republican
- Ashland
- Bayfield
- Brown
- Polk
- Portage
- Calumet
- Manitowoc
- Marathon
- Milwaukee
- Sheboygan
Counties that flipped from Republican to Democratic
- Kenosha
- Langlade
- Oneida
- Racine
- Rock
- Walworth
- Waukesha
- Winnebago