Census ACS · Maryland
ZIP Code 21740
ZIP code 21740 is located in Maryland with a population of 63,140. The median household income is $59,410 and the median home value is $241,600.
63,140
Population
$59,410
Median Income
$241,600
Median Home Value
38.8
Median Age
Race & Ethnicity
| White | 67.1% |
| Black | 18.1% |
| Asian | 0.0% |
| Hispanic (any race) | 1.3% |
Male: 50.3% · Female: 49.7%
Economy & Income
$59,410
Median Household Income
$32,289
Per Capita Income
12.2%
Poverty Rate
Housing
$241,600
Median Home Value
$1,031
Median Rent
55.2%
Homeownership
Education
86.0%
High School+
20.1%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Maryland
Part of Maryland
Metro areas in Maryland
Frequently Asked Questions
ZIP code 21740 in Maryland has a population of 63,140 according to latest Census ACS data.
The median household income in ZIP 21740 is $59,410. The per capita income is $32,289. The poverty rate is 12.2%.
ZIP code 21740 is located in Maryland.
More from Maryland
Data for ZIP Code Tabulation Area (ZCTA) 21740 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.
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.