Johnson County, county in Illinois, United States. As of 2020 county had an estimated population of 12,358 inhabitants. The county was created 212 years ago in 1812. Its county seat is Vienna.
There are 1 city/town in Johnson County, IL. The largest city of Johnson County is New Burnside with a population of 211.
New Burnside, Village in Johnson County, Illinois, United States
List of cities, towns, neighborhoods & other populated places in Johnson County.
City Name | Title | Population |
---|---|---|
New Burnside | Village in Johnson County, Illinois, United States | 211 |