Jefferson County, county in Indiana, United States. As of 2020 county had an estimated population of 32,110 inhabitants. The county was created 213 years ago in 1810. Its county seat is Madison.
There are 1 city/town in Jefferson County, IN. The largest city of Jefferson County is Hanover with a population of 3,493.
List of cities, towns, neighborhoods & other populated places in Jefferson County.
City Name | Title | Population |
---|---|---|
Hanover | Town in Indiana, United States | 3,493 |