2018Final results
2018 election for California Assembly District 1
California State Assembly · California
Brian Dahle (R) won with 63.0% of the vote, defeating Caleen Sisk (D) by 26.1 points.
Brian DahleRepublican · winner · incumbent
63.0%125,227
Caleen SiskDemocrat
37.0%73,449
198,676 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET