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1940 Wisconsin U.S. House District 4 Election

Wisconsin · 3 candidates · See every 1940 U.S. House race

Who won the 1940 Wisconsin U.S. House District 4 Election?

Thaddeus Wasielewski won the 1940 Wisconsin U.S. House District 4 Election. Thaddeus Wasielewski received 57,381 popular votes (35.62%). The main challenger was Leonard C Fons (32.84%).

See the full head-to-head between Wasielewski and Fons

Wasielewski +2.8 pts · won by 4,474 votes
Thaddeus WasielewskiDemocraticWINNER35.62%
57,381 votes
Leonard C Fonsprogressive32.84%
52,907 votes
John C SchaferRepublican31.53%
50,796 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.