ZIP Code 18101

ZIP code 18101 is classified by USPS as a standard delivery area and covers roughly 0.9 square miles in Allentown, Lehigh County, Pennsylvania. The area is home to 3,897 residents, producing a population density of 4,305 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 18101 against Pennsylvania and the nation.

On the economic side, the median household income for ZIP 18101 sits at $44,773 (42% below the Pennsylvania average), while per-capita income is $28,551. The poverty rate stands at 22.8% and the unemployment rate at 14.7%. On housing, the median home value is $171,300 (25% below the state average) with median rent at $1,430 per month, and 8.3% of occupied units are owner-occupied, a direct signal of whether 18101 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 23.2% of adults hold a bachelor's degree or higher, the median age is 29.1, and the average commute is 29 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Lehigh County, so you can benchmark 18101 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 →