ZIP Code 94521 Map
Census ZIP Code Tabulation Area 94521 in Concord, CA (Contra Costa County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 94521 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
41,909
Households
15,938
Median household income
$125,899
Median age
42.9 years
Median home value
$853,200
Median gross rent
$2,404/mo
Owner-occupied homes
74.3%
Bachelor's degree or higher
44.6%
Below poverty level
5.2%
Land area
9.7 sq mi
Population density
4,328 / sq mi