
Hadley
- County:
- Hampshire County
- County Seat:
- No
- Area (mi²):
- 23.09
- State:
- Massachusetts
Hadley is located in Hampshire County, Massachusetts. Hadley has a 2025 population of 5,257. Hadley is currently declining at a rate of -0.19% annually and its population has decreased by -1.09% since the most recent census, which recorded a population of 5,315 in 2020.
The average household income in Hadley is $142,732 with a poverty rate of 3.11%. The median age in Hadley is 47.5 years: 39 years for males, and 52 years for females.