2004Final results
2004 election for California Senate District 1
California State Senate · California
Dave Cox (R) won with 62.8% of the vote, defeating Kristine Lang McDonald (D) by 28.8 points.
Dave CoxRepublican · winner
62.8%261,207
Kristine Lang McDonaldDemocrat
34.0%141,462
Roberto LeibmanLibertarian
3.2%13,292
415,961 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
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET