Census ACS · Maryland
ZIP Code 20904
ZIP code 20904 is located in Maryland with a population of 57,244. The median household income is $93,322 and the median home value is $533,500.
57,244
Population
$93,322
Median Income
$533,500
Median Home Value
40.1
Median Age
Race & Ethnicity
| White | 23.3% |
| Black | 49.3% |
| Asian | 0.0% |
| Hispanic (any race) | 1.0% |
Male: 47.5% · Female: 52.5%
Economy & Income
$93,322
Median Household Income
$48,162
Per Capita Income
6.8%
Poverty Rate
Housing
$533,500
Median Home Value
$1,893
Median Rent
51.0%
Homeownership
Education
90.2%
High School+
49.5%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Maryland
Part of Maryland
Metro areas in Maryland
Frequently Asked Questions
ZIP code 20904 in Maryland has a population of 57,244 according to latest Census ACS data.
The median household income in ZIP 20904 is $93,322. The per capita income is $48,162. The poverty rate is 6.8%.
ZIP code 20904 is located in Maryland.
More from Maryland
Data for ZIP Code Tabulation Area (ZCTA) 20904 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.
ZIP 20904 stands apart on settlement density — it is among the most densely settled of US ZIP codes, at roughly 4,170 people per square mile. With 57,244 residents, ZIP 20904 is a ZIP code in Maryland.
The typical household earns $93,322 a year, above the US median of $78,538. The poverty rate is 6.8%, below the national 12.4%. Home values run above average at $533,500, with typical rent around $1,893.
College attainment is above the local norm at 49.5%, above the national 35.0%.
That density explains much of the rest of the profile in ZIP 20904: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Source: U.S. Census Bureau ACS, 2026.