Sanbornton is a town in Belknap County, New Hampshire, home to about 3,053 people across 47 square miles. Its ZIP code is 03269.
Homes sold for a median of $319 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Sanbornton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sanbornton’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Sanbornton well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Portland International Jetport (PWM)65 miles away |
|---|---|
| Closer regional airport | Lebanon Municipal Airport (LEB)36 miles away |
| Nearest city of 250,000+ | Boston, MA89 miles away |
| Nearest city of 1 million+ | New York, NY233 miles away |
Straight-line distances from the center of Sanbornton; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Sanbornton had 3,026 residents in the 2020 census, up 17% since 2000.
It’s the 111th largest of 242 towns in New Hampshire by population.
Belknap County grew from 19,526 residents in 1900 to 63,705 in 2020.
Belknap County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 9°F. About 45.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Franklin Falls Dam, NH weather station (6 miles away).
21,197 jobs at 1,905 businesses in Belknap County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Sanbornton.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Mental health providers | 2 |
| Physical and occupational therapists | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 4.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Winnisquam Regional School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Sanbornton Central SchoolSanbornton | K–4 | 177 | Public | 3.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Sant Bani SchoolSanbornton | Pre-K–8 | 116 | Nonsectarian | 3.2 mi |
| Saplings A Forest and Nature PreschoolSanbornton | Pre-K–2 | 18 | Nonsectarian | 3.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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