99chambers

California State Assembly seat · lines in effect since 2022

California Assembly District 29

A district of about 493,000 people, 72% Hispanic, 20% of adults with a bachelor's degree. It votes D+28.3 relative to the nation for president.

Robert Rivas (D) · since Nov 6, 2018Next 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+28.334th most
Democratic
Most DemocraticMost Republican41st seat · the majority lineDistrict 29

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+27.6D+32.0D+42.8

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 29.

Adults with a bachelor's degree20% 16th pct · 67th of 80 in CA

Lower than 84% of seats.

White adults without a degree16% 41st pct · 48th of 80 in CA

Lower than 59% of seats.

Hispanic residents72% 94th pct · 6th of 80 in CA

Higher than 94% of seats.

Black residents1% 6th pct · 75th of 80 in CA

Lower than 94% of seats.

Asian residents5% 11th pct · 71st of 80 in CA

Lower than 89% of seats.

People per square mile175 15th pct · 68th of 80 in CA

Less dense than 85% 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 38
59% Hispanic · 28% college gradsD+26.7Held DDistrict 31
63% HispanicD+17.5Held DDistrict 37
48% Hispanic · 37% college gradsD+26.4Held DDistrict 35
75% HispanicD+5.7Held 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. Robert Rivas (D)
    2023– · Won 2022 by 27.6, 2024 by 32.0, 2026 by 42.8

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