
Waterville Valley
- County:
- Grafton County
- County Seat:
- No
- Area (mi²):
- 64.327
- State:
- New Hampshire
Waterville Valley is located in Grafton County, New Hampshire. Waterville Valley has a 2025 population of 518. Waterville Valley is currently growing at a rate of 0.19% annually and its population has increased by 2.17% since the most recent census, which recorded a population of 507 in 2020.
The average household income in Waterville Valley is $147,772 with a poverty rate of 8.18%. The median age in Waterville Valley is 57.1 years: 61.3 years for males, and 55.5 years for females.