ZIP Code 03240

ZIP code 03240 is classified by USPS as a standard delivery area and covers roughly 107.2 square miles in Grafton, Grafton County, New Hampshire. The area is home to 1,340 residents, producing a population density of 13 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 03240 against New Hampshire and the nation.

On the economic side, the median household income for ZIP 03240 sits at $81,563 (20% below the New Hampshire average), while per-capita income is $37,423. The poverty rate stands at 7.7% and the unemployment rate at 4.7%. On housing, the median home value is $267,300 (34% below the state average) with median rent at $1,243 per month, and 83.1% of occupied units are owner-occupied, a direct signal of whether 03240 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 24.7% of adults hold a bachelor's degree or higher, the median age is 43.1, and the average commute is —. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Grafton County, so you can benchmark 03240 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 →