ZIP Code 21742

ZIP code 21742 is classified by USPS as a standard delivery area and covers roughly 130.7 square miles in Hagerstown, Washington County, Maryland. The area is home to 31,444 residents, producing a population density of 241 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 21742 against Maryland and the nation.

On the economic side, the median household income for ZIP 21742 sits at $86,288 (24% below the Maryland average), while per-capita income is $43,456. The poverty rate stands at 12.3% and the unemployment rate at 4.7%. On housing, the median home value is $304,800 (32% below the state average) with median rent at $1,351 per month, and 69.0% of occupied units are owner-occupied, a direct signal of whether 21742 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 31.2% of adults hold a bachelor's degree or higher, the median age is 41.7, and the average commute is 27 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Washington County, so you can benchmark 21742 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 →