Cornish is a town in Sullivan County, New Hampshire, home to about 1,816 people across 42 square miles. Its ZIP code is 03745.
Homes sold for a median of $292 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Cornish. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Albany International Airport (ALB)90 miles away |
|---|---|
| Closer regional airport | Lebanon Municipal Airport (LEB)9 miles away |
| Nearest city of 250,000+ | Boston, MA105 miles away |
| Nearest city of 1 million+ | New York, NY212 miles away |
Straight-line distances from the center of Cornish; 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.
Cornish had 1,616 residents in the 2020 census, down 3% since 2000.
It’s the 148th largest of 242 towns in New Hampshire by population.
Sullivan County grew from 18,009 residents in 1900 to 43,063 in 2020.
Sullivan County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 9°F. About 38 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Lebanon Muni Ap, NH weather station (9 miles away).
12,071 jobs at 956 businesses in Sullivan County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Cornish.
Nearest hospitals
Providers with an office here
| Mental health providers | 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 (6 nearby)
Grocery stores (2 nearby)
Libraries (2 nearby)
Museums (2 nearby)
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 Cornish School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cornish Elementary SchoolCornish | Pre-K–8 | 137 | Public | 2.2 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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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.