1990Final results
1990 election for California Senate District 28
California State Senate · California
Diane Watson (D) won with 85.2% of the vote, defeating Ivan W. Kasimoff (Pf) by 70.4 points.
Diane WatsonDemocrat · winner · incumbent
85.2%102,562
Ivan W. KasimoffPeace and Freedom
14.8%17,836
120,398 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET