
Swanzey
- County:
- Cheshire County
- County Seat:
- No
- Area (mi²):
- 44.975
- State:
- New Hampshire
Swanzey is located in Cheshire County, New Hampshire. Swanzey has a 2025 population of 7,432. Swanzey is currently growing at a rate of 0.03% annually and its population has increased by 2.07% since the most recent census, which recorded a population of 7,281 in 2020.
The average household income in Swanzey is $87,608 with a poverty rate of 9.55%. The median age in Swanzey is 52.2 years: 50.8 years for males, and 52.7 years for females.