St. Donatus is a city located in Jackson County, Iowa. St. Donatus has a 2025 population of 122 . St. Donatus is currently declining at a rate of -0.81% annually and its population has decreased by -1.61% since the most recent census, which recorded a population of 124 in 2020.
The average household income in St. Donatus is $51,357 with a poverty rate of 17.56%. The median age in St. Donatus is 60.3 years: 62 years for males, and 58.8 years for females. For every 100 females there are 129.8 males.
Data after 2023 is projected based on recent change
The racial composition of St. Donatus includes 97.71% White, and smaller percentages for Two or more races and multiracial populations.
White (97.71%)
Two or more races (2.29%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 128 | 97.71% |
| Two or more races | 3 | 2.29% |
Married
Widowed
Divorced
Separated
Never Married
St. Donatus' average per capita income is $29,583. Household income levels show a median of $41,813. The poverty rate stands at 17.56%.
Name | Median | Mean |
|---|---|---|
| Married Families | $63,750 | - |
| Families | $41,944 | $57,743 |
| Households | $41,813 | $51,357 |
| Non Families | - | $32,542 |
Average Income
Median Household Income
Poverty Rate