ZIP Code 21711

ZIP code 21711 is classified by USPS as a standard delivery area and covers roughly 61.6 square miles in Big Pool, Washington County, Maryland. The area is home to 1,029 residents, producing a population density of 17 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 21711 against Maryland and the nation.

On the economic side, the median household income for ZIP 21711 sits at $91,250 (20% below the Maryland average), while per-capita income is $45,819. The poverty rate stands at 11.2% and the unemployment rate at 5.5%. On housing, the median home value is $310,600 (31% below the state average) with median rent at — per month, and 100.0% of occupied units are owner-occupied, a direct signal of whether 21711 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 20.2% of adults hold a bachelor's degree or higher, the median age is 52.3, and the average commute is —. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Washington County, so you can benchmark 21711 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 →