1942 California U.S. House District 15 Election

California · 3 candidates · See every 1942 U.S. House race

Who won the 1942 California U.S. House District 15 Election?

John Costello won the 1942 California U.S. House District 15 Election. John Costello received 88,798 popular votes (86.13%). The main challenger was B Tarkington Dowden (9.88%).

See the full head-to-head between Costello and Dowden

Costello +76.3 pts · won by 78,613 votes

John Costello DemocraticWINNER86.13%

88,798 votes

B Tarkington Dowdenpro, townsend9.88%

10,185 votes

Philip Gardnercommunist3.87%

3,989 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.