Vienna

County:: Johnson County
County Seat:: Yes
Area (mi²):: 2.837
State:: Illinois

Vienna is a city located in Johnson County, Illinois. Vienna has a 2025 population of 1,341. It is also the county seat of Johnson County. Vienna is currently declining at a rate of -0.07% annually and its population has decreased by -0.37% since the most recent census, which recorded a population of 1,346 in 2020.

The average household income in Vienna is $54,215 with a poverty rate of 31.39%. The median age in Vienna is 36.1 years: 28.8 years for males, and 37.5 years for females.

Demographics

The racial composition of Vienna includes 78.35% White, 4.4% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,657	78.35%
Two or more races	336	15.89%
Black or African American	93	4.4%
Asian	15	0.71%
Other race	14	0.66%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Vienna Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Vienna's average per capita income is $43,008. Household income levels show a median of $39,471. The poverty rate stands at 31.39%.

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	$67,589	-
Families	$51,094	$58,479
Households	$39,471	$54,215
Non Families	$27,635	$42,241

$43,008

Average Income

$39,471

Median Household Income

31.39%

Poverty Rate