2024Final results
2024 election for California Senate District 15
California State Senate · California
Dave Cortese (D) won with 68.6% of the vote, defeating Robert Paul Howell (R) by 37.2 points.
Dave CorteseDemocrat · winner
68.6%260,627
Robert Paul HowellRepublican
31.4%119,212
379,839 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET