Adam Schiff (D) and Steve Garvey (R) advanced from the 31-candidate March 5 top-two primary for U.S. Senate in California. As of March 6, Schiff received 33.2% of the vote and Garvey received 32.5%.
Incumbent Laphonza Butler (D) announced she would not run for re-election on October 19, 2023. Governor Gavin Newsom (D) appointed Butler to replace Dianne Feinstein (D), who died on Sept. 29, 2023. Butler was sworn in on Oct. 3 of that year. This was the first open race for California’s Class I U.S. Senate seat since 1992.
Following Schiff and Garvey, Katie Porter (D) finished third with 13.8% of the vote and Barbara Lee (D) finished fourth with 7.4%.