ZIP Code 07840

ZIP code 07840 is classified by USPS as a standard delivery area and covers roughly 90.8 square miles in Hackettstown, Warren County, New Jersey. The area is home to 29,849 residents, producing a population density of 329 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 07840 against New Jersey and the nation.

On the economic side, the median household income for ZIP 07840 sits at $105,866 (13% below the New Jersey average), while per-capita income is $53,709. The poverty rate stands at 6.4% and the unemployment rate at 7.3%. On housing, the median home value is $396,100 (23% below the state average) with median rent at $1,487 per month, and 69.7% of occupied units are owner-occupied, a direct signal of whether 07840 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 49.6% of adults hold a bachelor's degree or higher, the median age is 43.1, and the average commute is 34 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Warren County, so you can benchmark 07840 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 →