
South Hadley
- County:
- Hampshire County
- County Seat:
- No
- Area (mi²):
- 17.713
- State:
- Massachusetts
South Hadley is located in Hampshire County, Massachusetts. South Hadley has a 2025 population of 17,802. South Hadley is currently declining at a rate of -0.53% annually but its population has increased by 9.3% since the most recent census, which recorded a population of 16,287 in 2020.
The average household income in South Hadley is $131,278 with a poverty rate of 7.29%. The median age in South Hadley is 43.6 years: 46.2 years for males, and 42.2 years for females.