Contra Costa County, CA Map
Official Census boundary of Contra Costa County, California (FIPS 06013). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Contra Costa County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
1,165,012
Households
414,417
Median household income
$127,229
Median age
40.5 years
Median home value
$866,800
Median gross rent
$2,375/mo
Owner-occupied homes
68%
Bachelor's degree or higher
45.2%
Below poverty level
8.4%
Land area
716.9 sq mi
Population density
1,625 / sq mi