ZIP Code 21540

ZIP code 21540 is classified by USPS as a standard delivery area and covers roughly 0.7 square miles in Luke, Allegany County, Maryland. The area is home to 65 residents, producing a population density of 93 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 21540 against Maryland and the nation.

On the economic side, the median household income for ZIP 21540 sits at $81,250 (29% below the Maryland average), while per-capita income is $32,897. The poverty rate stands at 2.2% and the unemployment rate at 9.8%. On housing, the median home value is $51,000 (89% below the state average) with median rent at — per month, and 88.6% of occupied units are owner-occupied, a direct signal of whether 21540 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 11.5% of adults hold a bachelor's degree or higher, the median age is 44.5, 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 21540 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 →