
Leyden
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 17.938
- State:
- Massachusetts
Leyden is located in Franklin County, Massachusetts. Leyden has a 2025 population of 725. Leyden is currently declining at a rate of -0.41% annually and its population has decreased by -0.82% since the most recent census, which recorded a population of 731 in 2020.
The average household income in Leyden is $114,513 with a poverty rate of 8.68%. The median age in Leyden is 52.1 years: 46.1 years for males, and 54.7 years for females.