Census ACS · Maryland
ZIP Code 21921
ZIP code 21921 is located in Maryland with a population of 45,698. The median household income is $84,608 and the median home value is $296,000.
45,698
Population
$84,608
Median Income
$296,000
Median Home Value
39.1
Median Age
Race & Ethnicity
| White | 77.5% |
| Black | 9.8% |
| Asian | 0.0% |
| Hispanic (any race) | 0.8% |
Male: 49.5% · Female: 50.5%
Economy & Income
$84,608
Median Household Income
$40,036
Per Capita Income
9.9%
Poverty Rate
Housing
$296,000
Median Home Value
$1,413
Median Rent
68.3%
Homeownership
Education
92.3%
High School+
27.9%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Maryland
Part of Maryland
Metro areas in Maryland
Frequently Asked Questions
ZIP code 21921 in Maryland has a population of 45,698 according to latest Census ACS data.
The median household income in ZIP 21921 is $84,608. The per capita income is $40,036. The poverty rate is 9.9%.
ZIP code 21921 is located in Maryland.
More from Maryland
Data for ZIP Code Tabulation Area (ZCTA) 21921 from the American Community Survey 5-Year estimates. ZCTAs approximately correspond to USPS ZIP code delivery areas but are built from Census blocks and may not match exactly.
Homeownership is the standout figure in ZIP 21921: 68.3% of homes are owner-occupied, higher than the national rate. ZIP 21921 is a ZIP code in Maryland with a population of 45,698.
The typical household earns $84,608 a year, above the US median of $78,538. Poverty runs at 9.9%, below the national 12.4%. The median home value is $296,000, with typical rent around $1,413.
Degree attainment is mid-range for US ZIP codes: 27.9% of adults hold a four-year degree, below the national 35.0%.
Source: U.S. Census Bureau ACS, 2026.