ZIP Code 03230

ZIP code 03230 is classified by USPS as a standard delivery area and covers roughly 106.1 square miles in Danbury, Merrimack County, New Hampshire. The area is home to 1,231 residents, producing a population density of 12 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 03230 against New Hampshire and the nation.

On the economic side, the median household income for ZIP 03230 sits at $71,685 (30% below the New Hampshire average), while per-capita income is $38,399. The poverty rate stands at 12.4% and the unemployment rate at 5.7%. On housing, the median home value is $240,700 (41% below the state average) with median rent at $1,281 per month, and 90.9% of occupied units are owner-occupied, a direct signal of whether 03230 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 17.5% of adults hold a bachelor's degree or higher, the median age is 47.4, and the average commute is 36 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Merrimack County, so you can benchmark 03230 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 →