2018 California U.S. House District 48 Election

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

Who won the 2018 California U.S. House District 48 Election?

Harley Rouda won the 2018 California U.S. House District 48 Election. Harley Rouda received 157,837 popular votes (53.55%). The main challenger was Dana Rohrabacher (46.45%).

See the full head-to-head between Rouda and Rohrabacher

Rouda +7.1 pts · won by 20,938 votes

Harley Rouda DemocraticWINNER53.55%

157,837 votes

Dana Rohrabacher Republican46.45%

136,899 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.