99chambers

California State Assembly seat · lines in effect since 2022

California Assembly District 30

A district of about 470,000 people, 26% Hispanic, 44% of adults with a bachelor's degree. It votes D+28.6 relative to the nation for president.

Dawn Addis (D) · since Nov 8, 2022Next 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.

D+28.633rd most
Democratic
Most DemocraticMost Republican41st seat · the majority lineDistrict 30

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.

202220242026
California State AssemblyD+20.1D+24.8D+32.9

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 30.

Adults with a bachelor's degree44% 71st pct · 24th of 80 in CA

Higher than 71% of seats.

White adults without a degree32% 86th pct · 12th of 80 in CA

Higher than 86% of seats.

Hispanic residents26% 29th pct · 57th of 80 in CA

Lower than 71% of seats.

Black residents2% 16th pct · 67th of 80 in CA

Lower than 84% of seats.

Asian residents5% 14th pct · 69th of 80 in CA

Lower than 86% of seats.

People per square mile76 9th pct · 73rd of 80 in CA

Less dense than 91% of seats.

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

Seats most like this one

Nearest seats on demographics, density and lean.

District 4
34% Hispanic · 37% college gradsD+32.3Held DDistrict 2
23% Hispanic · 34% college gradsD+37.5Held DDistrict 37
48% Hispanic · 37% college gradsD+26.4Held DDistrict 42
20% Hispanic · 55% college gradsD+15.9Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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

Who has held it

These lines took effect in 2022.

  1. Dawn Addis (D)
    2023– · Won 2022 by 20.1, 2024 by 24.8, 2026 by 32.9

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