The 1936 United States Senate election in Michigan was held on November 3, 1936. Incumbent Republican U.S. Senator James J. Couzens ran for re-election to a third term in office, but was defeated in the Republican primary by Governor Wilber Brucker. Brucker was defeated in the general election by Democratic U.S. Representative Prentiss M. Brown, becoming the first Democrat to win this seat since 1853.
Republican primary
Candidates
Wilber M. Brucker, Governor of Michigan
James J. Couzens, incumbent Senator since 1922
Results
Democratic primary
Candidates
Prentiss M. Brown, U.S. Representative from St. Ignace
Ralph W. Liddy
John Muyskens
Louis B. Ward, editor of Social Justice and aide to Father Charles Coughlin
Results
Ward contested the results and ran in the general election as a Third Party candidate.
General election
Results
Aftermath
Senator Couzens died on October 22. After his election, Brown was appointed to complete the remaining two months of Couzens's unexpired term.