Lake Mills is a city located in Winnebago County, Iowa. Lake Mills has a 2025 population of 2,060 . Lake Mills is currently declining at a rate of -0.82% annually and its population has decreased by -3.83% since the most recent census, which recorded a population of 2,142 in 2020.
The average household income in Lake Mills is $74,500 with a poverty rate of 15.87%. The median age in Lake Mills is 43.8 years: 42 years for males, and 45 years for females. For every 100 females there are 81.3 males.
Data after 2023 is projected based on recent change
The racial composition of Lake Mills includes 90.21% White, and smaller percentages for other race, Asian and multiracial populations.
White (90.21%)
Two or more races (8.96%)
Other race (0.58%)
Asian (0.24%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,853 | 90.21% |
| Two or more races | 184 | 8.96% |
| Other race | 12 | 0.58% |
| Asian | 5 | 0.24% |
Married
Widowed
Divorced
Separated
Never Married
Lake Mills' average per capita income is $44,229. Household income levels show a median of $70,333. The poverty rate stands at 15.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,536 | - |
| Families | $77,222 | $86,675 |
| Households | $70,333 | $74,500 |
| Non Families | $43,611 | $49,185 |
Average Income
Median Household Income
Poverty Rate