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Population Review

119th Congress · CA-48

California's 48th Congressional District

California's 48th Congressional District (CA-48) has a population of 759,864. The median household income is $109,005 and the median age is 39.3.

759,864

Population

210

People / sq mi

$109,005

Median Income

39.3

Median Age

CA-48 covers 3,615 sq mi of land at 210.2 people per square mile.

Race & Ethnicity

White62.3%
Black or African American3.1%
Asian0.0%
Hispanic or Latino (any race)3.2%

Economy & Income

$109,005

Median Household Income

$46,251

Per Capita Income

5.7%

Poverty Rate

3.5%

Unemployment

Housing

$681,400

Median Home Value

$2,101

Median Rent

70.7%

Homeownership

Education

90.5%

High School+

34.2%

Bachelor's+

Other California Congressional Districts

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Largest counties in California

State rankings

Frequently Asked Questions

California's 48th Congressional District (CA-48) has a population of 759,864 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 48th Congressional District is $109,005, with a per capita income of $46,251.

California's 48th Congressional District is 62.3% White, 3.1% Black, 0.0% Asian, and 3.2% Hispanic or Latino, per Census ACS data.

Data for California's 48th 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.

this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.

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.