
Waterville
- County:
- Kennebec County
- County Seat:
- No
- Area (mi²):
- 13.532
- State:
- Maine
Waterville is a city located in Kennebec County, Maine. Waterville has a 2025 population of 16,909. Waterville is currently growing at a rate of 0.25% annually and its population has increased by 1.29% since the most recent census, which recorded a population of 16,693 in 2020.
The average household income in Waterville is $68,813 with a poverty rate of 25.35%. The median age in Waterville is 34.5 years: 32.5 years for males, and 35.8 years for females.