99chambers

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

California's 26th District

A district of about 788,000 people, 43% Hispanic, 38% of adults with a bachelor's degree. It votes D+17.5 relative to the nation for president.

Jacqui Irwin (D) · from Jan 3, 2027Next election Nov 7, 2028The 2026 race →
CA-26

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+17.5130th most
Democratic
Most DemocraticMost Republican218th seat · the majority line12113734431516173036442914819101832282425251465041CA-263843194273339149273547321625451348224023520

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+23.9

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-26.

Adults with a bachelor's degree38% 67th pct · 21st of 52 in CA

Higher than 67% of seats.

White adults without a degree23% 25th pct · 16th of 52 in CA

Lower than 75% of seats.

Hispanic residents43% 90th pct · 22nd of 52 in CA

Higher than 90% of seats.

Black residents2% 18th pct · 37th of 52 in CA

Lower than 82% of seats.

Asian residents8% 77th pct · 40th of 52 in CA

Higher than 77% of seats.

People per square mile334 50th pct · 38th of 52 in CA

Denser than 50% 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. 1 of the 4 flipped this year.

CA-24
40% Hispanic · 39% college gradsD+26.7Held DCA-48
42% Hispanic · 32% college gradsD+4.1Flipped DCA-4
31% Hispanic · 34% college gradsD+16.6Held DCA-27
48% Hispanic · 29% college gradsD+12.4Held 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. Jacqui Irwin (D)
    2027– · Won 2026 by 23.9

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