PolitiFinder

1934 California U.S. House District 15 Election

California · 2 candidates · See every 1934 U.S. House race

Who won the 1934 California U.S. House District 15 Election?

John Costello won the 1934 California U.S. House District 15 Election. John Costello received 67,247 popular votes (50.5%). The main challenger was William I Traeger (49.46%).

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

Costello +1.0 pts · won by 1,389 votes
John CostelloDemocraticWINNER50.5%
67,247 votes
William I TraegerRepublican49.46%
65,858 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.