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Population Review

119th Congress · CA-12

California's 12th Congressional District

California's 12th Congressional District (CA-12) has a population of 746,726. The median household income is $105,647 and the median age is 37.8.

746,726

Population

8059

People / sq mi

$105,647

Median Income

37.8

Median Age

CA-12 covers 93 sq mi of land at 8059.1 people per square mile.

Race & Ethnicity

White36.4%
Black or African American15.6%
Asian0.0%
Hispanic or Latino (any race)2.5%

Economy & Income

$105,647

Median Household Income

$62,783

Per Capita Income

7.6%

Poverty Rate

3.8%

Unemployment

Housing

$1,009,600

Median Home Value

$2,073

Median Rent

44.6%

Homeownership

Education

88.0%

High School+

53.6%

Bachelor's+

Other California Congressional Districts

Largest cities in California

Largest counties in California

State rankings

Frequently Asked Questions

California's 12th Congressional District (CA-12) has a population of 746,726 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 12th Congressional District is $105,647, with a per capita income of $62,783.

California's 12th Congressional District is 36.4% White, 15.6% Black, 0.0% Asian, and 2.5% Hispanic or Latino, per Census ACS data.

Data for California's 12th 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.

The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.

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.