119th Congress · CA-21
California's 21st Congressional District
California's 21st Congressional District (CA-21) has a population of 757,752. The median household income is $62,084 and the median age is 31.6.
757,752
Population
850
People / sq mi
$62,084
Median Income
31.6
Median Age
CA-21 covers 891 sq mi of land at 850.2 people per square mile.
Race & Ethnicity
| White | 36.6% |
| Black or African American | 4.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.3% |
Economy & Income
$62,084
Median Household Income
$25,675
Per Capita Income
18.6%
Poverty Rate
6.1%
Unemployment
Housing
$308,000
Median Home Value
$1,206
Median Rent
51.6%
Homeownership
Education
73.7%
High School+
16.5%
Bachelor's+
Other California Congressional Districts
Largest cities in California
Largest counties in California
State rankings
Frequently Asked Questions
California's 21st Congressional District (CA-21) has a population of 757,752 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 21st Congressional District is $62,084, with a per capita income of $25,675.
California's 21st Congressional District is 36.6% White, 4.7% Black, 0.0% Asian, and 3.3% Hispanic or Latino, per Census ACS data.
More from California
Data for California's 21st 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.
California's 21st Congressional District is defined demographically by education — 16.5% of adults hold a bachelor’s degree, below the national average. With 757,752 residents, California's 21st Congressional District is a congressional district in California.
Earnings trail the nation, with the median household making $62,084, below the US median of $78,538. The poverty rate, 18.6%, is among the steepest of comparable US congressional districts and above the national 12.4%. Homes carry a median value of $308,000, with typical rent around $1,206.
Four-year-degree attainment is near the bottom of the range for US congressional districts, 16.5%, below the national 35.0%.
Source: U.S. Census Bureau ACS, 2026.