This is the 2020 race. The latest: 2026 →

2020Final results

2020 election for California Assembly District 66

California State Assembly · California

Al Muratsuchi (D) won with 63.2% of the vote, defeating Arthur C. Schaper (R) by 26.4 points.

Al MuratsuchiDemocrat · winner · incumbent
63.2%145,874
36.8%84,867
230,741 votes

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET

The seat over time

D − R margin in this seat's races around 2020

Races before and after

EvenR+0.72014D+8.22016D+20.92018D+26.42020D+19.92022D+20.42024

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET