Vienna township is located in Marshall County, Iowa. Vienna township has a 2025 population of 309. Vienna township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Vienna township is $103,128 with a poverty rate of 1.97%.The median age in Vienna township is 38.8 years: 38.1 years for males, and 50.7 years for females.
Data after 2023 is projected based on recent change
The racial composition of Vienna township includes 93.2% White, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 288 | 93.2% |
Two or more races | 21 | 6.8% |
Married
Widowed
Divorced
Separated
Never Married
Vienna township's average per capita income is $53,750. Household income levels show a median of $93,333. The poverty rate stands at 1.97%.
Name | Median | Mean |
---|---|---|
Households | $93,333 | $103,128 |
Married Families | $93,125 | - |
Families | $91,250 | $100,068 |
Non Families | - | $111,055 |
Average Income
Median Household Income
Poverty Rate