1940 Washington U.S. Senate Election

Washington · 2 candidates · See every 1940 U.S. Senate race

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

Monrad C. Wallgren won the 1940 Washington U.S. Senate Election. Monrad C. Wallgren received 404,718 popular votes (54.16%). The main challenger was Stephen F. Chadwick (45.84%).

See the full head-to-head between Wallgren and Chadwick

Wallgren +8.3 pts · won by 62,129 votes

Monrad C. Wallgren DemocraticWINNER54.16%

404,718 votes

Stephen F. Chadwick Republican45.84%

342,589 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.