In 2019, Waterville, KS had a population of 635 people with a median age of 43.2 and a median household income of $53,977. Between 2018 and 2019 the population of Waterville, KS declined from 743 to 635, a −14.5% decrease and its median household income grew from $50,341 to $53,977, a 7.22% increase.
The 5 largest ethnic groups in Waterville, KS are White (Non-Hispanic) (88.7%), White (Hispanic) (5.98%), Two+ (Non-Hispanic) (3.62%), Asian (Non-Hispanic) (0.945%), and American Indian & Alaska Native (Non-Hispanic) (0.787%). 0% of the households in Waterville, KS speak a non-English language at home as their primary language.
99.1% of the residents in Waterville, KS are U.S. citizens.
In 2019, the median property value in Waterville, KS was $84,500, and the homeownership rate was 83.5%. Most people in Waterville, KS drove alone to work, and the average commute time was 18.6 minutes. The average car ownership in Waterville, KS was 2 cars per household.