1998Final results
1998 election for California Senate District 18
California State Senate · California
Jack Oconnell (D) won with 66.9% of the vote, defeating Gordon Klemm (R) by 35.4 points.
Jack OconnellDemocrat · winner · incumbent
66.9%169,818
Gordon KlemmRepublican
31.4%79,872
Jack RayLibertarian
1.7%4,276
253,966 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 1998
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET