2012Final results
2012 election for California Assembly District 18
California State Assembly · California
Rob Bonta (D) won with 50.5% of the vote, defeating Abel Guillen (D) by 1.0 points.
Rob BontaDemocrat · winner
50.5%75,865
Abel GuillenDemocrat
49.5%74,422
150,287 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET