This is the 2004 race. The latest: 2024 →

2004Final results

2004 election for California Senate District 27

California State Senate · California

Alan S. Lowenthal (D) won with 63.3% of the vote, defeating Cesar Navarro Castellanos (R) by 26.5 points.

Alan S. LowenthalDemocrat · winner
63.3%150,289
36.7%87,319
237,608 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 2004

Races before and after

EvenR+1.91992D+2.81996D+21.82000D+26.52004D+34.72008D+7.12012

Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET