Waterville township
- County:
- Le Sueur County
- County Seat:
- No
- Area (mi²):
- 30.545
- State:
- Minnesota
Waterville township is located in Le Sueur County, Minnesota. Waterville township has a 2026 population of 690. Waterville township is currently growing at a rate of 0.44% annually and its population has increased by 2.37% since the most recent census, which recorded a population of 674 in 2020.
The median household income in Waterville township is $110,625 with a poverty rate of 3%. The median age in Waterville township is 46.5 years: 47.8 years for males, and 42.7 years for females. For every 100 females there are 88.1 males.