2010Final results
2010 election for California Senate District 4
California State Senate · California
Doug LaMalfa (R) won with 68.2% of the vote, defeating Lathe Gill (D) by 36.4 points.
Doug LaMalfaRepublican · winner
68.2%226,239
Lathe GillDemocrat
31.8%105,460
331,699 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