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1940 South Dakota U.S. House District 1 Election

South Dakota · 2 candidates · See every 1940 U.S. House race

Who won the 1940 South Dakota U.S. House District 1 Election?

Karl Mundt won the 1940 South Dakota U.S. House District 1 Election. Karl Mundt received 135,406 popular votes (59.55%). The main challenger was Oscar Fosheim (40.45%).

See the full head-to-head between Mundt and Fosheim

Mundt +19.1 pts · won by 43,439 votes
Karl MundtRepublicanWINNER59.55%
135,406 votes
Oscar FosheimDemocratic40.45%
91,967 votes
Popular-vote totals for this U.S. House election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.