2010Final results
2010 election for California Senate District 28
California State Senate · California
Jenny Oropeza (D) won with 58.1% of the vote, defeating John S. Stammreich (R) by 22.3 points.
Jenny OropezaDemocrat · winner · incumbent
58.1%142,578
John S. StammreichRepublican
35.8%87,896
David RuskinLibertarian
6.1%14,879
245,353 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET