Census ACS · Maryland
ZIP Code 21228
ZIP code 21228 is located in Maryland with a population of 49,417. The median household income is $107,714 and the median home value is $389,200.
49,417
Population
$107,714
Median Income
$389,200
Median Home Value
43.1
Median Age
Race & Ethnicity
| White | 56.8% |
| Black | 18.6% |
| Asian | 0.0% |
| Hispanic (any race) | 0.7% |
Male: 47.5% · Female: 52.5%
Economy & Income
$107,714
Median Household Income
$52,854
Per Capita Income
6.0%
Poverty Rate
Housing
$389,200
Median Home Value
$1,631
Median Rent
71.6%
Homeownership
Education
91.6%
High School+
49.8%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Maryland
Part of Maryland
Metro areas in Maryland
Frequently Asked Questions
ZIP code 21228 in Maryland has a population of 49,417 according to latest Census ACS data.
The median household income in ZIP 21228 is $107,714. The per capita income is $52,854. The poverty rate is 6.0%.
ZIP code 21228 is located in Maryland.
More from Maryland
Data for ZIP Code Tabulation Area (ZCTA) 21228 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.
What distinguishes ZIP 21228 is density: among the most densely settled of US ZIP codes, around 3,172 people per square mile. With 49,417 residents, ZIP 21228 is a ZIP code in Maryland.
Households take in a median $107,714, comfortably above the US median of $78,538. Poverty runs at 6.0%, below the national 12.4%. A typical home is worth $389,200, with typical rent around $1,631.
About 49.8% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure.
That density explains much of the rest of the profile in ZIP 21228: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Source: U.S. Census Bureau ACS, 2026.