119th Congress · CA-4
California's 4th Congressional District
California's 4th Congressional District (CA-4) has a population of 763,128. The median household income is $95,443 and the median age is 39.3.
763,128
Population
202
People / sq mi
$95,443
Median Income
39.3
Median Age
CA-4 covers 3,780 sq mi of land at 201.9 people per square mile.
Race & Ethnicity
| White | 60.1% |
| Black or African American | 3.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.4% |
Economy & Income
$95,443
Median Household Income
$49,247
Per Capita Income
6.3%
Poverty Rate
3.7%
Unemployment
Housing
$654,600
Median Home Value
$1,954
Median Rent
60.9%
Homeownership
Education
87.8%
High School+
35.7%
Bachelor's+
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Frequently Asked Questions
California's 4th Congressional District (CA-4) has a population of 763,128 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 4th Congressional District is $95,443, with a per capita income of $49,247.
California's 4th Congressional District is 60.1% White, 3.0% Black, 0.0% Asian, and 3.4% Hispanic or Latino, per Census ACS data.
More from California
Data for California's 4th 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.
Housing cost is the defining feature of California's 4th Congressional District: the median home is valued at $654,600. California's 4th Congressional District is a congressional district in California with a population of 763,128.
Households take in a median $95,443, comfortably above the US median of $78,538. Poverty is relatively low for US congressional districts at 6.3%, below the national 12.4%. A typical home is worth $654,600, with typical rent around $1,954.
Roughly 35.7% of adults have a bachelor’s, near the national 35.0%.
High housing values reframe the income picture in California's 4th Congressional District — even solid earnings stretch less against home prices and rents at this level.
Source: U.S. Census Bureau ACS, 2026.