2016Final results
2016 election for California Senate District 5
California State Senate · California
Cathleen Galgiani (D) won with 56.7% of the vote, defeating Alan Nakanishi (R) by 13.4 points.
Cathleen GalgianiDemocrat · winner · incumbent
56.7%174,847
Alan NakanishiRepublican
43.3%133,604
308,451 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET