Waterville is a city located in Allamakee County, Iowa. Waterville has a 2025 population of 113 . Waterville is currently growing at a rate of 0.89% annually and its population has increased by 4.63% since the most recent census, which recorded a population of 108 in 2020.
The average household income in Waterville is $63,142 with a poverty rate of 4.2%. The median age in Waterville is 42.3 years: 34 years for males, and 46.5 years for females. For every 100 females there are 123.4 males.
Data after 2023 is projected based on recent change
The racial composition of Waterville includes 93.71% White, and smaller percentages for other race and multiracial populations.
White (93.71%)
Two or more races (4.2%)
Other race (2.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 134 | 93.71% |
| Two or more races | 6 | 4.2% |
| Other race | 3 | 2.1% |
Married
Widowed
Divorced
Separated
Never Married
Waterville's average per capita income is $43,250. Household income levels show a median of $48,750. The poverty rate stands at 4.2%.
Name | Median | Mean |
|---|---|---|
| Households | $48,750 | $63,142 |
| Families | $48,750 | $64,378 |
| Non Families | $44,500 | $57,663 |
| Married Families | $43,750 | - |
Average Income
Median Household Income
Poverty Rate