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Population Review

119th Congress · CA-18

California's 18th Congressional District

California's 18th Congressional District (CA-18) has a population of 756,539. The median household income is $100,769 and the median age is 34.4.

756,539

Population

165

People / sq mi

$100,769

Median Income

34.4

Median Age

CA-18 covers 4,573 sq mi of land at 165.4 people per square mile.

Race & Ethnicity

White29.1%
Black or African American2.3%
Asian0.0%
Hispanic or Latino (any race)3.3%

Economy & Income

$100,769

Median Household Income

$39,230

Per Capita Income

8.1%

Poverty Rate

3.4%

Unemployment

Housing

$799,300

Median Home Value

$2,040

Median Rent

52.0%

Homeownership

Education

72.7%

High School+

23.9%

Bachelor's+

Other California Congressional Districts

Largest cities in California

Largest counties in California

State rankings

Common questions about CA-18

Frequently Asked Questions

California's 18th Congressional District (CA-18) has a population of 756,539 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 18th Congressional District is $100,769, with a per capita income of $39,230.

California's 18th Congressional District is 29.1% White, 2.3% Black, 0.0% Asian, and 3.3% Hispanic or Latino, per Census ACS data.

Data for California's 18th 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.