ZIP Code 03603

ZIP code 03603 is classified by USPS as a standard delivery area and covers roughly 110.4 square miles in Charlestown, Sullivan County, New Hampshire. The area is home to 5,412 residents, producing a population density of 49 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 03603 against New Hampshire and the nation.

On the economic side, the median household income for ZIP 03603 sits at $56,731 (45% below the New Hampshire average), while per-capita income is $32,361. The poverty rate stands at 14.3% and the unemployment rate at 4.7%. On housing, the median home value is $230,400 (43% below the state average) with median rent at $1,096 per month, and 80.6% of occupied units are owner-occupied, a direct signal of whether 03603 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 14.4% of adults hold a bachelor's degree or higher, the median age is 44.8, and the average commute is 24 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Sullivan County, so you can benchmark 03603 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 →