Franklin County | |
|---|---|
 Franklin County Courthouse in Greenfield | |
 Seal | |
 Location within the U.S. state of Massachusetts | |
 Massachusetts's location within the U.S. | |
| Coordinates: 42°35′13″N 72°34′26″W / 42.58707°N 72.573944°W | |
| Country |  United States |
| State |  Massachusetts |
| Founded | 1811 |
| Named for | Benjamin Franklin |
| Seat | Greenfield |
| Largest city | Greenfield |
| Area | |
• Total | 725 sq mi (1,880 km2) |
| • Land | 699 sq mi (1,810 km2) |
| • Water | 25 sq mi (60 km2) 3.5% |
| Population (2020) | |
• Total | 71,029 |
• Estimate (2023) | 70,836  |
| • Density | 98/sq mi (38/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 1st, 2nd |
Franklin County is a nongovernmental county in the northwestern part of the U.S. state of Massachusetts. At the 2020 census, the population was 71,029,[1] which made 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.
- ^ "Census - Geography Profile: Franklin County, Massachusetts". United States Census Bureau. Retrieved November 14, 2021.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.