ZIP Code 21521

ZIP code 21521 is classified by USPS as a standard delivery area and covers roughly 60.0 square miles in Barton, Allegany County, Maryland. The area is home to 1,265 residents, producing a population density of 21 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 21521 against Maryland and the nation.

On the economic side, the median household income for ZIP 21521 sits at $64,194 (44% below the Maryland average), while per-capita income is $33,294. The poverty rate stands at 12.6% and the unemployment rate at 13.4%. On housing, the median home value is $107,500 (76% below the state average) with median rent at $863 per month, and 89.6% of occupied units are owner-occupied, a direct signal of whether 21521 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 12.1% of adults hold a bachelor's degree or higher, the median age is 54.1, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Allegany County, so you can benchmark 21521 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →