PolitiFinder

2012 California U.S. House District 42 Election

California · 2 candidates · See every 2012 U.S. House race

Who won the 2012 California U.S. House District 42 Election?

Ken Calvert won the 2012 California U.S. House District 42 Election. Ken Calvert received 130,245 popular votes (60.59%). The main challenger was Michael Williamson (39.41%).

See the full head-to-head between Calvert and Williamson

Calvert +21.2 pts · won by 45,543 votes
Ken CalvertRepublicanWINNER60.59%
130,245 votes
Michael WilliamsonDemocratic39.41%
84,702 votes
Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.