2004Final results
2004 election for California Senate District 31
California State Senate · California
Bob Dutton (R) won with 59.5% of the vote, defeating Marjorie Musser Mikels (D) by 19.0 points.
Bob DuttonRepublican · winner
59.5%170,900
Marjorie Musser MikelsDemocrat
40.5%116,312
287,212 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