Skip to main content
Population Review

119th Congress · CA-1

California's 1st Congressional District

California's 1st Congressional District (CA-1) has a population of 762,487. The median household income is $69,110 and the median age is 38.2.

762,487

Population

29

People / sq mi

$69,110

Median Income

38.2

Median Age

CA-1 covers 26,393 sq mi of land at 28.9 people per square mile.

Race & Ethnicity

White69.0%
Black or African American1.9%
Asian0.0%
Hispanic or Latino (any race)4.9%

Economy & Income

$69,110

Median Household Income

$35,630

Per Capita Income

10.3%

Poverty Rate

3.9%

Unemployment

Housing

$357,100

Median Home Value

$1,269

Median Rent

62.6%

Homeownership

Education

87.1%

High School+

23.3%

Bachelor's+

Other California Congressional Districts

Largest cities in California

Largest counties in California

State rankings

Frequently Asked Questions

California's 1st Congressional District (CA-1) has a population of 762,487 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).

The median household income in California's 1st Congressional District is $69,110, with a per capita income of $35,630.

California's 1st Congressional District is 69.0% White, 1.9% Black, 0.0% Asian, and 4.9% Hispanic or Latino, per Census ACS data.

Data for California's 1st Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.

For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.

Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.

Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.

Source: U.S. Census Bureau ACS, 2026.