
Winchendon
- County:
- Worcester County
- County Seat:
- No
- Area (mi²):
- 2.265
- State:
- Massachusetts
Winchendon is a CDP located in Worcester County, Massachusetts. Winchendon has a 2025 population of 4,523. Winchendon is currently growing at a rate of 0.47% annually but its population has decreased by -3.21% since the most recent census, which recorded a population of 4,673 in 2020.
The average household income in Winchendon is $103,400 with a poverty rate of 14.28%. The median age in Winchendon is 39 years: 39.3 years for males, and 36.5 years for females.