Danbury is a town in Merrimack County, New Hampshire, home to about 1,451 people across 38 square miles. Its ZIP code is 03230.
Homes sold for a median of $272 per square foot in the three months ending August 2026, a balanced market.
Mostly Danbury; also Hill
Each card is that ZIP code’s whole market, including any part outside Danbury. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Danbury’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Portland International Jetport (PWM)79 miles away |
|---|---|
| Closer regional airport | Lebanon Municipal Airport (LEB)23 miles away |
| Nearest city of 250,000+ | Boston, MA92 miles away |
| Nearest city of 1 million+ | New York, NY223 miles away |
Straight-line distances from the center of Danbury; 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.
Danbury had 1,250 residents in the 2020 census, up 17% since 2000.
It’s the 166th largest of 242 towns in New Hampshire by population.
Merrimack County grew from 52,430 residents in 1900 to 153,808 in 2020.
Merrimack County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 80°F in summer, and winter lows average 7°F. About 40.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Grafton, NH weather station (6 miles away).
62,841 jobs at 4,213 businesses in Merrimack County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Danbury.
Nearest hospitals
Providers with an office here
| Mental health providers | 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 (4 nearby)
Grocery stores
Libraries
Museums
Counts are within about 4 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 Newfound Area School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Danbury Elementary SchoolDanbury | K–5 | 66 | Public | 1.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Hill.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.