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ZIP code 21230 demographics — Maryland

Census American Community Survey 2023 5-Year Estimates for ZIP Code Tabulation Area 21230, Maryland.

Population
33,509
Median HH Income
$94,164
Median Home Value
$327,700
Median Age
33.0

Workforce

Unemployment rate
3.4%
683 unemployed of 19,906 in labor force
Bachelor's degree or higher
31.5%
of population age 25+ (24,865 total)
Below poverty line
15.8%
5,296 of 33,455 surveyed

Housing & cost of living

Median home value
$327,700
owner-occupied housing units
Median gross rent
$1,771/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.