1938 Idaho U.S. Senate Election

Idaho · 3 candidates · See every 1938 U.S. Senate race

Who won the 1938 Idaho U.S. Senate Election?

D. Worth Clark won the 1938 Idaho U.S. Senate Election. D. Worth Clark received 99,801 popular votes (54.66%). The main challenger was Donald A. Callahan (44.88%).

See the full head-to-head between Clark and Callahan

Clark +9.8 pts · won by 17,862 votes

D. Worth Clark DemocraticWINNER54.66%

99,801 votes

Donald A. Callahan Republican44.88%

81,939 votes

V. A. VerheiProgressive0.46%

845 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.