99chambers

California State Assembly seat · lines in effect since 2022

California Assembly District 19

A district of about 483,000 people, 43% Asian, 58% of adults with a bachelor's degree. It votes D+61.6 relative to the nation for president.

Catherine Stefani (D) · since Nov 5, 2024Next 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+61.65th most
Democratic
Most DemocraticMost Republican41st seat · the majority lineDistrict 19

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.

20222026
California State AssemblyD+62.0D+66.8

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 19.

Adults with a bachelor's degree58% 92nd pct · 7th of 80 in CA

Higher than 92% of seats.

White adults without a degree8% 13th pct · 70th of 80 in CA

Lower than 87% of seats.

Hispanic residents15% 4th pct · 77th of 80 in CA

Lower than 96% of seats.

Black residents2% 33rd pct · 54th of 80 in CA

Lower than 67% of seats.

Asian residents43% 96th pct · 4th of 80 in CA

Higher than 96% of seats.

People per square mile2,585 54th pct · 37th of 80 in CA

Denser than 54% 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 26
67% college gradsD+49.3Held DDistrict 17
57% college gradsD+72.0Held DDistrict 23
72% college gradsD+57.4Held DDistrict 21
28% Hispanic · 56% college gradsD+54.0Held 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. Catherine Stefani (D)
    2025– · Won 2024 by 21.1, 2026 by 66.8
  2. Phil Ting (D)
    2023–2025 · Won 2022 by 62.0

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