2008Final results
2008 election for California Assembly District 5
California State Assembly · California
Roger Niello (R) won with 54.2% of the vote, defeating Dan Leahy (D) by 16.0 points.
Roger NielloRepublican · winner · incumbent
54.2%101,888
Dan LeahyDemocrat
38.2%71,733
Karen MartinezPeace and Freedom
7.6%14,295
187,916 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 2008
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET