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ZIP code 21237 demographics — Maryland

Census American Community Survey 2023 5-Year Estimates for ZIP Code Tabulation Area 21237, Maryland.

Population
30,851
Median HH Income
$90,269
Median Home Value
$280,400
Median Age
42.3

Workforce

Unemployment rate
5.9%
1,086 unemployed of 18,290 in labor force
Bachelor's degree or higher
16.7%
of population age 25+ (23,361 total)
Below poverty line
9.3%
2,834 of 30,560 surveyed

Housing & cost of living

Median home value
$280,400
owner-occupied housing units
Median gross rent
$1,440/mo
renter-occupied units, all bedrooms

Related resources

Nearby ZIP codes

Data source: U.S. Census Bureau American Community Survey 2023 5-Year Estimates (Table B). Geography: ZIP Code Tabulation Area (ZCTA). ZCTAs are census-defined generalizations of USPS ZIP delivery routes and are not identical to mailing ZIPs. Public domain (USA.gov).

Indicators: B01003 (population), B19013 (median household income), B25077 (median home value), B01002 (median age), B25064 (median gross rent), B23025 (labor force/unemployment), B15003 (educational attainment), B17001 (poverty).

Generated 2026-05-28. Census applies suppression rules to small populations; some values may be unavailable.