California State Assembly seat · lines in effect since 2022

California Assembly District 3

A district of about 514,000 people, 26% Hispanic, 26% of adults with a bachelor's degree. It votes R+17.9 relative to the nation for president.

VacantNext election Nov 7, 2028The 2026 race →

Where it sits among all 80 seats

Every California State Assembly seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+17.977th most
Democratic
Most DemocraticMost Republican41st seat · the majority lineDistrict 3

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20222024
California State AssemblyR+30.7R+32.5

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: California Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 80 seats. Small marks are other seats in California. The black marker is District 3.

Adults with a bachelor's degree26% 28th pct · 58th of 80 in CA

Lower than 72% of seats.

White adults without a degree44% 99th pct · 2nd of 80 in CA

Higher than 99% of seats.

Hispanic residents26% 30th pct · 56th of 80 in CA

Lower than 70% of seats.

Black residents2% 24th pct · 61st of 80 in CA

Lower than 76% of seats.

Asian residents9% 35th pct · 52nd of 80 in CA

Lower than 65% of seats.

People per square mile69 8th pct · 74th of 80 in CA

Less dense than 92% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2022.

  1. Dom Belza (R)
    2027– · Won 2026 by 13.2
  2. James Gallagher (R)
    2023–2027 · Won 2022 by 30.7, 2024 by 32.5

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)