99chambers

California State Assembly seat · lines in effect since 2022

California Assembly District 39

A district of about 465,000 people, 63% Hispanic, 13% of adults with a bachelor's degree. It votes D+13.6 relative to the nation for president.

Juan Carrillo (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+13.655th most
Democratic
Most DemocraticMost Republican41st seat · the majority lineDistrict 39

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+14.0D+15.5D+41.4

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 39.

Adults with a bachelor's degree13% 1st pct · 79th of 80 in CA

Lower than 99% of seats.

White adults without a degree16% 44th pct · 45th of 80 in CA

Lower than 56% of seats.

Hispanic residents63% 80th pct · 17th of 80 in CA

Higher than 80% of seats.

Black residents15% 95th pct · 5th of 80 in CA

Higher than 95% of seats.

Asian residents3% 1st pct · 79th of 80 in CA

Lower than 99% of seats.

People per square mile442 25th pct · 60th of 80 in CA

Less dense than 75% 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 60
64% HispanicD+13.2Held DDistrict 45
66% HispanicD+17.3Held DDistrict 31
63% HispanicD+17.5Held DDistrict 50
62% Hispanic · 25% college gradsD+14.0Held 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. Juan Carrillo (D)
    2027– · Won 2026 by 41.4
  2. Juan Carrillo Ventura (D)
    2025–2027 · Won 2024 by 15.5
  3. Juan Carrillo (D)
    2023–2025 · Won 2022 by 14.0

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