Waterville is a city located in Allamakee County, Iowa. Waterville has a 2026 population of 114. Waterville is currently growing at a rate of 0.88% annually and its population has increased by 5.56% since the most recent census, which recorded a population of 108 in 2020.
The median household income in Waterville is $44,750 with a poverty rate of 6.57%. The median age in Waterville is 50.5 years: 42.5 years for males, and 55 years for females. For every 100 females there are 114.1 males.
Data after 2023 is projected based on recent change
Overall: 50.5 years
Female: 55 years
Male: 42.5 years
There are 98 adults, (36 of whom are seniors) in Waterville.
Female: 64 (46.7%)
Male: 73 (53.3%)
The racial composition of Waterville includes 95.62% White, and smaller percentages for other race, Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 131 | 95.62% |
| Other race | 3 | 2.19% |
| Two or more races | 3 | 2.19% |
Waterville 's average per capita income is $41,875. Household income levels show a median of $44,750. The poverty rate stands at 6.57%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $60,000 | - |
| Families | $53,750 | $77,022 |
| Households | $44,750 | $69,433 |
| Non Families | $43,500 | $44,821 |
Average Income
Median Household Income
Poverty Rate