Franklin County, Massachusetts

Franklin County
Franklin County Courthouse in Greenfield
Franklin County Courthouse in Greenfield
Official seal of Franklin County
Map of Massachusetts highlighting Franklin County
Location within the U.S. state of Massachusetts
Map of the United States highlighting Massachusetts
Massachusetts's location within the U.S.
Coordinates: 42°35′13″N 72°34′26″W / 42.58707°N 72.573944°W / 42.58707; -72.573944
Country United States
State Massachusetts
Founded1811
Named forBenjamin Franklin
SeatGreenfield
Largest cityGreenfield
Area
 • Total725 sq mi (1,880 km2)
 • Land699 sq mi (1,810 km2)
 • Water25 sq mi (60 km2)  3.5%
Population
 (2020)
 • Total71,029 Decrease
 • Density101.6/sq mi (39.2/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts1st, 2nd

Franklin County is a nongovernmental county located in the northwestern part of the U.S. state of Massachusetts. As of the 2020 census, the population was 71,029,[1] which makes it the least-populous county on the Massachusetts mainland, and the third-least populous county in the state. Its traditional county seat and most populous city is Greenfield. Its largest town by area is New Salem.[2] Franklin County comprises the Greenfield Town, MA Micropolitan Statistical Area, which is included in the Springfield-Greenfield Town, MA Combined Statistical Area.

  1. ^ "Census - Geography Profile: Franklin County, Massachusetts". United States Census Bureau. Retrieved November 14, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.