Cambridge is a township in Coos County, New Hampshire, home to about 22 people across 51 square miles. It has no ZIP code of its own: it’s part of 03579.
Homes sold for a median of $283 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Errol; part is in Cambridge
Each card is that ZIP code’s whole market, including any part outside Cambridge. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Cambridge’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)90 miles away |
|---|---|
| Closer regional airport | Augusta State Airport (AUG)74 miles away |
| Nearest city of 250,000+ | Boston, MA171 miles away |
| Nearest city of 1 million+ | New York, NY319 miles away |
Straight-line distances from the center of Cambridge; 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.
Cambridge had 16 residents in the 2020 census, up 60% since 2000.
It’s the 238th 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 77°F in summer, and winter lows average -1°F. About 44.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Errol Ap, 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).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Parks (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 Errol School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Errol Consolidated Elementary SchoolErrol | K–8 | 10 | Public | 1.4 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 Errol, Lincoln Plantation, Magalloway, Upton, North Oxford UT, Wentworth Location, Millsfield, Dixs Grant and Second College Grant.
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.