Electoral history of Herbert Hoover, who served as the 31st president of the United States (1929–1933) and 3rd United States Secretary of Commerce (1921–1928).
1920 Democratic presidential primaries:[1] 1920 Republican presidential primaries:[2] 1920 Republican National Convention (Presidential tally): 1928 Republican presidential primaries:[3] 1928 Republican National Convention (Presidential tally):[4] 1928 United States presidential election: 1932 Republican presidential primaries:[5] 1932 Republican National Convention (Presidential tally):[6] 1932 United States presidential election 1936 Republican presidential primaries:[7] 1940 Republican presidential primaries[8] 1940 Republican National Convention (Presidential tally):[9] First ballot: Second ballot: Third ballot: Fourth ballot: Fifth ballot: Sixth ballot (before shifts):