Petersham is a town in Worcester County, Massachusetts, home to about 1,185 people across 54 square miles. Its ZIP code is 01366.
Homes sold for a median of $305 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Petersham. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Petersham’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Bradley International Airport (BDL)46 miles away |
|---|---|
| Closer regional airport | Worcester Regional Airport (ORH)22 miles away |
| Nearest city of 250,000+ | Boston, MA61 miles away |
| Nearest city of 1 million+ | New York, NY155 miles away |
Straight-line distances from the center of Petersham; 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.
Petersham had 1,194 residents in the 2020 census, up 1% since 2000.
It’s the 318th largest of 351 towns in Massachusetts by population.
Worcester County grew from 346,958 residents in 1900 to 862,111 in 2020.
Worcester County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 14°F. About 42.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Orange Muni Ap, MA weather station (8 miles away).
319,255 jobs at 19,181 businesses in Worcester County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
12 doctors and other health care providers list an office in Petersham.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Mental health providers | 9 |
| Physical and occupational therapists | 1 |
| Chiropractors | 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 (3 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 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 Petersham. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Petersham CenterPetersham | K–6 | 142 | Public | 0.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Petersham Montessori SchoolPetersham | Pre-K–K | 2 | Christian (no specific denomination) | 0.5 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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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.