1996Flipped from RepublicanFinal results
1996 election for California Senate District 11
California State Senate · California
Byron Sher (D) won with 57.9% of the vote, defeating Patrick Shannon (R) by 19.5 points, a seat Republicans won last time.
Byron SherDemocrat · winner
57.9%177,155
Patrick ShannonRepublican
38.4%117,547
Jon MatonisLibertarian
3.7%11,290
305,992 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 1996
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET