Waterville is a city in Paint Creek Township, Allamakee County, Iowa, United States.

In 1855, Col. J. Spooner opened a store, and in 1856, James Beebe built a hotel.

[4] At Waterville, the Paint Creek canyon is 150 feet deep, bounded by almost vertical cliffs of Oneota Dolomite.

[6] According to the United States Census Bureau, the city has a total area of 0.43 square miles (1.11 km2), all land.

There were 57 housing units at an average density of 162.6 per square mile (62.8/km2).

There were 61 housing units at an average density of 141.9 per square mile (54.8/km2).

30.5% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older.

20.8% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older.

There were 7.9% of families and 10.3% of the population living below the poverty line, including 8.9% of under eighteens and 29.4% of those over 64.