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

California's 50th District

A district of about 763,000 people, 56% of adults with a bachelor's degree. It votes D+19.6 relative to the nation for president.

CA-50

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+19.6122nd most
Democratic
Most DemocraticMost Republican218th seat · the majority line1211373443151617303644291481910183228242525146CA-5041263843194273339149273547321625451348224023520

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+23.7

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-50.

Adults with a bachelor's degree56% 95th pct · 7th of 52 in CA

Higher than 95% of seats.

White adults without a degree23% 24th pct · 17th of 52 in CA

Lower than 76% of seats.

Hispanic residents20% 66th pct · 46th of 52 in CA

Higher than 66% of seats.

Black residents3% 18th pct · 36th of 52 in CA

Lower than 82% of seats.

Asian residents16% 93rd pct · 19th of 52 in CA

Higher than 93% of seats.

People per square mile1,393 74th pct · 23rd of 52 in CA

Denser than 74% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2026.

  1. Scott Peters (D)
    2027– · Won 2026 by 23.7

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