Census ACS · Maryland
ZIP Code 21218
ZIP code 21218 is located in Maryland with a population of 44,903. The median household income is $58,378 and the median home value is $229,800.
44,903
Population
$58,378
Median Income
$229,800
Median Home Value
34.6
Median Age
Race & Ethnicity
| White | 26.9% |
| Black | 60.0% |
| Asian | 0.0% |
| Hispanic (any race) | 1.2% |
Male: 48.7% · Female: 51.3%
Economy & Income
$58,378
Median Household Income
$38,481
Per Capita Income
15.0%
Poverty Rate
Housing
$229,800
Median Home Value
$1,239
Median Rent
49.1%
Homeownership
Education
89.9%
High School+
43.7%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Maryland
Part of Maryland
Metro areas in Maryland
Frequently Asked Questions
ZIP code 21218 in Maryland has a population of 44,903 according to latest Census ACS data.
The median household income in ZIP 21218 is $58,378. The per capita income is $38,481. The poverty rate is 15.0%.
ZIP code 21218 is located in Maryland.
More from Maryland
Data for ZIP Code Tabulation Area (ZCTA) 21218 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.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
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.