ZIP Code 21239

ZIP code 21239 is classified by USPS as a standard delivery area and covers roughly 8.4 square miles in Baltimore, Baltimore County, Maryland. The area is home to 28,793 residents, producing a population density of 3,437 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 21239 against Maryland and the nation.

On the economic side, the median household income for ZIP 21239 sits at $62,650 (45% below the Maryland average), while per-capita income is $39,801. The poverty rate stands at 11.2% and the unemployment rate at 4.1%. On housing, the median home value is $207,400 (54% below the state average) with median rent at $1,367 per month, and 55.2% of occupied units are owner-occupied, a direct signal of whether 21239 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 32.7% of adults hold a bachelor's degree or higher, the median age is 37.1, and the average commute is 27 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Baltimore County, so you can benchmark 21239 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 →