1972Final results
1972 election for California Assembly District 18
California State Assembly · California
Willie L. Brown (D) won with 76.1% of the vote, defeating Joan L. Irwin (R) by 52.1 points.
Willie L. BrownDemocrat · winner · incumbent
76.1%47,645
Joan L. IrwinRepublican
23.9%14,989
62,634 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 1972
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET