Vienna is located in Johnson County, IL. The population is 1,327, making Vienna the largest city in Johnson County.
There are 2 public schools in Vienna with an average Homefacts rating of B. The total crime rate for Vienna is very low , and there are 1 registered sex offenders residing in the city. Unemployment in Vienna is high and the median home sales price is $0. Detailed and up-to-date Vienna property reports are available for any property address.