2012Final results
2012 election for California Senate District 21
California State Senate · California
Stephen Knight (R) won with 57.6% of the vote, defeating Star Moffatt (D) by 15.3 points.
Stephen KnightRepublican · winner
57.6%153,412
Star MoffattDemocrat
42.4%112,780
266,192 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