1940 Missouri U.S. Senate Election

Missouri · 4 candidates · See every 1940 U.S. Senate race

Who won the 1940 Missouri U.S. Senate Election?

Harry S. Truman won the 1940 Missouri U.S. Senate Election. Harry S. Truman received 930,775 popular votes (51.17%). The main challenger was Manvel H. Davis (48.73%).

See the full head-to-head between Truman and Davis

Truman +2.4 pts · won by 44,399 votes

Harry S. Truman DemocraticWINNER51.17%

930,775 votes

Manvel H. Davis Republican48.73%

886,376 votes

William F. RinckSocialist0.09%

1,669 votes

Theodore BaeffSocialist Labor0.01%

196 votes

Popular-vote totals for this U.S. Senate election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.