2012Final results
2012 election for California Senate District 31
California State Senate · California
Richard Roth (D) won with 55.3% of the vote, defeating Jeff Miller (R) by 10.6 points.
Richard RothDemocrat · winner
55.3%133,882
Jeff MillerRepublican
44.7%108,320
242,202 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