
Peterborough
- County:
- Hillsborough County
- County Seat:
- No
- Area (mi²):
- 4.767
- State:
- New Hampshire
Peterborough is a CDP located in Hillsborough County, New Hampshire. Peterborough has a 2025 population of 2,033. Peterborough is currently declining at a rate of -3.37% annually and its population has decreased by -24.82% since the most recent census, which recorded a population of 2,704 in 2020.
The average household income in Peterborough is $115,972 with a poverty rate of 8.14%. The median age in Peterborough is 59.6 years: 61.3 years for males, and 59 years for females.