2010 California U.S. House District 20 Election

California · 2 candidates · See every 2010 U.S. House race

Who won the 2010 California U.S. House District 20 Election?

Jim Costa won the 2010 California U.S. House District 20 Election. Jim Costa received 46,247 popular votes (51.7%). The main challenger was Andy Vidak (48.3%).

See the full head-to-head between Costa and Vidak

Costa +3.4 pts · won by 3,050 votes

Jim Costa DemocraticWINNER51.7%

46,247 votes

Andy Vidak Republican48.3%

43,197 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.