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

California's 52nd District

A district of about 754,000 people, 60% Hispanic, 26% of adults with a bachelor's degree. It votes D+22.0 relative to the nation for president.

CA-52

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+22.0112th most
Democratic
Most DemocraticMost Republican218th seat · the majority line1211373443151617303644291481910183228242CA-5251465041263843194273339149273547321625451348224023520

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+39.5

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-52.

Adults with a bachelor's degree26% 18th pct · 40th of 52 in CA

Lower than 82% of seats.

White adults without a degree12% 9th pct · 43rd of 52 in CA

Lower than 91% of seats.

Hispanic residents60% 94th pct · 13th of 52 in CA

Higher than 94% of seats.

Black residents7% 48th pct · 12th of 52 in CA

Lower than 52% of seats.

Asian residents12% 88th pct · 25th of 52 in CA

Higher than 88% of seats.

People per square mile1,091 70th pct · 29th of 52 in CA

Denser than 70% 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. Juan Vargas (D)
    2027– · Won 2026 by 39.5

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