Lancaster is a town in Coos County, New Hampshire, home to about 3,216 people across 50 square miles. Its ZIP code is 03584.
Homes sold for a median of $163 per square foot in the three months ending August 2026, a balanced market.
Mostly Lancaster; also Northumberland
Each card is that ZIP code’s whole market, including any part outside Lancaster. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lancaster’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)85 miles away |
|---|---|
| Closer regional airport | Lebanon Municipal Airport (LEB)70 miles away |
| Nearest city of 250,000+ | Boston, MA152 miles away |
| Nearest city of 1 million+ | New York, NY291 miles away |
Straight-line distances from the center of Lancaster; 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.
Lancaster had 3,218 residents in the 2020 census, down 2% since 2000.
It’s the 109th largest of 242 towns in New Hampshire by population.
Coos County grew from 29,468 residents in 1900 to 31,268 in 2020.
Coos 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 3°F. About 39.9 inches of rain and melted snow fall in a typical year, with about 76 inches of snow.
Source: NOAA 1991–2020 climate normals, Lancaster, NH weather station (about a mile away).
8,380 jobs at 809 businesses in Coos County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
67 doctors and other health care providers list an office in Lancaster.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Specialist doctors | 12 |
| Dentists | 3 |
| Nurse practitioners and physician assistants | 17 |
| Mental health providers | 11 |
| Physical and occupational therapists | 17 |
| Optometrists | 2 |
| Pharmacies | 3 |
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 (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (2 nearby)
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.
Established in 1763.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by White Mountains Regional School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lancaster Elementary SchoolLancaster | Pre-K–8 | 310 | Public | 1.2 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Mount Royal Academy NorthLancaster | Pre-K–7 | 50 | Roman Catholic | 1.0 mi |
| Sunnybrook Montessori SchoolLancaster | Pre-K | 2 | Nonsectarian | 0.6 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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Shares ZIP codes with Northumberland.
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.