2018 California U.S. House District 10 Election

California · 2 candidates · See every 2018 U.S. House race

Who won the 2018 California U.S. House District 10 Election?

Josh Harder won the 2018 California U.S. House District 10 Election. Josh Harder received 115,945 popular votes (52.25%). The main challenger was Jeff Denham (47.75%).

See the full head-to-head between Harder and Denham

Harder +4.5 pts · won by 9,990 votes

Josh Harder DemocraticWINNER52.25%

115,945 votes

Jeff Denham Republican47.75%

105,955 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.