Plainfield is a town in Hampshire County, Massachusetts, home to about 616 people across 21 square miles. Its ZIP code is 01070, and parts of 01026 are in Plainfield too.
Homes sold for a median of $127 per square foot in the three months ending August 2026, a seller’s market.
All in Plainfield
Mostly Cummington; part is in Plainfield
Each card is that ZIP code’s whole market, including any part outside Plainfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Bradley International Airport (BDL)41 miles away |
|---|---|
| Nearest city of 250,000+ | Boston, MA98 miles away |
| Nearest city of 1 million+ | New York, NY138 miles away |
Straight-line distances from the center of Plainfield; 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.
Plainfield had 633 residents in the 2020 census, up 7% since 2000.
It’s the 340th largest of 351 towns in Massachusetts by population.
Hampshire County grew from 58,820 residents in 1900 to 162,308 in 2020.
Hampshire 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 12°F. About 54.3 inches of rain and melted snow fall in a typical year, with about 77 inches of snow.
Source: NOAA 1991–2020 climate normals, Worthington, MA weather station (9 miles away).
49,009 jobs at 3,491 businesses in Hampshire County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Plainfield.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| 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.
Libraries (1 nearby)
Museums
Counts are within about 3 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.
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Shares ZIP codes with Cummington, Windsor and Chesterfield.
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.