Vienna township Flag

Vienna township

County:
Johnson County
County Seat:
No
Area (mi²):
35.694
State:
Illinois

Vienna township is located in Johnson County, Illinois. Vienna township has a 2025 population of 675. Vienna township is currently growing at a rate of 0.45% annually and its population has increased by 2.27% since the most recent census, which recorded a population of 660 in 2020.

The average household income in Vienna township is $97,125 with a poverty rate of 15.43%. The median age in Vienna township is 45.4 years: 42.4 years for males, and 50.5 years for females.

675
Total Population
19
Density (mi²)
3 0.45%
Growth

Vienna township Population

Vienna township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Vienna township includes 92.38% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White50992.38%
Two or more races407.26%
Other race20.36%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

Vienna township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Vienna township's average per capita income is $57,159. Household income levels show a median of $97,500. The poverty rate stands at 15.43%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$130,515-
Families$128,542$125,771
Households$97,500$97,125
Non Families$40,583$43,123

$57,159

Average Income

$97,500

Median Household Income

15.43%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)