99chambers

California State Assembly seat · lines in effect since 2022

California Assembly District 17

A district of about 490,000 people, 33% Asian, 57% of adults with a bachelor's degree. It votes D+72.0 relative to the nation for president.

Matt Haney (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+72.03rd most
Democratic
Most DemocraticMost Republican41st seat · the majority lineDistrict 17

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.

20242026
California State AssemblyD+69.2D+80.2

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 17.

Adults with a bachelor's degree57% 89th pct · 10th of 80 in CA

Higher than 89% of seats.

White adults without a degree9% 14th pct · 69th of 80 in CA

Lower than 86% of seats.

Hispanic residents19% 13th pct · 70th of 80 in CA

Lower than 87% of seats.

Black residents6% 76th pct · 20th of 80 in CA

Higher than 76% of seats.

Asian residents33% 90th pct · 9th of 80 in CA

Higher than 90% of seats.

People per square mile6,564 82nd pct · 15th of 80 in CA

Denser than 82% 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 19
58% college gradsD+61.6Held DDistrict 14
27% Hispanic · 55% college gradsD+75.7Held DDistrict 21
28% Hispanic · 56% college gradsD+54.0Held DDistrict 51
64% college gradsD+55.0Held 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. Matt Haney (D)
    2023– · Won 2022 by 38.3, 2024 by 69.2, 2026 by 80.2

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