2018 California U.S. Senate Election

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

Who won the 2018 California U.S. Senate Election?

Dianne Feinstein won the 2018 California U.S. Senate Election. Dianne Feinstein received 6,019,422 popular votes (54.16%). The main challenger was Kevin de Leon (45.84%).

See the full head-to-head between Feinstein and Leon

Feinstein +8.3 pts · won by 925,480 votes

Dianne Feinstein DemocraticWINNER54.16%

6,019,422 votes

Kevin de Leon Democratic45.84%

5,093,942 votes

Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.