1988Final results
1988 election for California Senate District 9
California State Senate · California
Nicholas C. Petris (D) won with 74.4% of the vote, defeating Greg Henson (R) by 52.7 points.
Nicholas C. PetrisDemocrat · winner · incumbent
74.4%186,427
Greg HensonRepublican
21.7%54,373
Robert J. EvansPeace and Freedom
3.9%9,837
250,637 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET