John L. Burton Democratic Don Perata Democratic Mayoral elections: Mayoral elections: Mayoral elections: Mayoral elections: Mayoral elections: Mayoral elections: The 2004 California State Senate elections were held on November 2, 2004.

Senate seats of odd-numbered districts were up for election.

Senate terms are staggered so that half the membership is elected every two years.

As was expected, the Democratic Party held on to the majority of the seats.

Final results from the California Secretary of State:[1]