Vienna Flag

Vienna

County:
Johnson County
County Seat:
Yes
Area (mi²):
35.694
State:
Illinois

Vienna is located in Johnson County, Illinois. Vienna has a 2025 population of 675. It is also the county seat of Johnson CountyVienna 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 is $97,125 with a poverty rate of 15.43%The median age in Vienna 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 Population

Demographics

Economics and Income Statistics

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)