Petersham, Massachusetts

Petersham, Massachusetts
Location in Worcester County and the state of Massachusetts.
Coordinates: 42°29′15″N 72°11′15″W / 42.48750°N 72.18750°W / 42.48750; -72.18750
CountryUnited States
StateMassachusetts
CountyWorcester
Settled1733
Incorporated1754
Government
  TypeOpen town meeting
Area
  Total
68.3 sq mi (176.9 km2)
  Land54.2 sq mi (140.5 km2)
  Water14.1 sq mi (36.4 km2)
Elevation
1,080 ft (329 m)
Population
 (2020)
  Total
1,194
  Density17/sq mi (6.7/km2)
Time zoneUTC-5 (Eastern)
  Summer (DST)UTC-4 (Eastern)
ZIP code
01366
Area code351 / 978
FIPS code25-53120
GNIS feature ID0619486
Websitetownofpetersham.org

Petersham /ˈptərsæm/ is a town in Worcester County, Massachusetts, United States. The population was 1,194 at the 2020 census. Petersham is home to a considerable amount of conservation land, including the Quabbin Reservation, Harvard Forest, the Swift River Reservation, and Federated Women's Club State Forest.