99chambers

U.S. House seat · lines in effect since 2026

California's 43rd District

A district of about 730,000 people, 59% Hispanic and 22% Black, 22% of adults with a bachelor's degree. It votes D+54.2 relative to the nation for president.

Maxine Waters (D) · since Jan 3, 1991Next election Nov 7, 2028The 2026 race →
CA-43

Source: 2026 results: California Secretary of State; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House 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+54.226th most
Democratic
Most DemocraticMost Republican218th seat · the majority line12113734CA-431516173036442914819101832282425251465041263843194273339149273547321625451348224023520

Labels below the bar mark 51 other seats in California.

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.

2026
U.S. HouseD+65.0

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 435 seats. Small marks are other seats in California. The black marker is CA-43.

Adults with a bachelor's degree22% 8th pct · 44th of 52 in CA

Lower than 92% of seats.

White adults without a degree4% 1st pct · 52nd of 52 in CA

Lower than 99% of seats.

Hispanic residents59% 93rd pct · 15th of 52 in CA

Higher than 93% of seats.

Black residents22% 84th pct · 1st of 52 in CA

Higher than 84% of seats.

Asian residents9% 81st pct · 36th of 52 in CA

Higher than 81% of seats.

People per square mile10,086 96th pct · 3rd of 52 in CA

Denser than 96% 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.

CA-37
55% Hispanic · 21% BlackD+65.4Held DNY-15
52% Hispanic · 32% BlackD+54.3Held DNY-14
53% Hispanic · 29% college gradsD+38.2Held DCA-44
71% HispanicD+40.8Held 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 2026.

  1. Maxine Waters (D)
    2027– · Won 2026 by 65.0

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