119th Congress · CA-42
California's 42nd Congressional District
California's 42nd Congressional District (CA-42) has a population of 744,568. The median household income is $78,006 and the median age is 35.7.
744,568
Population
3507
People / sq mi
$78,006
Median Income
35.7
Median Age
CA-42 covers 212 sq mi of land at 3507.2 people per square mile.
Race & Ethnicity
| White | 35.6% |
| Black or African American | 6.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
Economy & Income
$78,006
Median Household Income
$34,890
Per Capita Income
11.8%
Poverty Rate
4.4%
Unemployment
Housing
$718,700
Median Home Value
$1,750
Median Rent
38.2%
Homeownership
Education
73.0%
High School+
25.5%
Bachelor's+
Other California Congressional Districts
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Frequently Asked Questions
California's 42nd Congressional District (CA-42) has a population of 744,568 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 42nd Congressional District is $78,006, with a per capita income of $34,890.
California's 42nd Congressional District is 35.6% White, 6.1% Black, 0.0% Asian, and 3.2% Hispanic or Latino, per Census ACS data.
More from California
Data for California's 42nd 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.
Homeownership is the standout figure in California's 42nd Congressional District: 38.2% of homes are owner-occupied, lower than the national rate. California's 42nd Congressional District is a congressional district in California with a population of 744,568.
The typical household here earns about $78,006, near the US median of $78,538. Poverty sits at 11.8%, close to the national 12.4%. Home prices are steep, with the typical property valued at $718,700, with typical rent around $1,750.
Degree attainment is on the lower side for US congressional districts: 25.5% of adults hold a bachelor’s degree, below the national 35.0%.
Source: U.S. Census Bureau ACS, 2026.