Montgomery County, county in Illinois, United States. As of 2020 county had an estimated population of 28,045 inhabitants. The county was created 203 years ago in 1821. Its county seat is Hillsboro.
There are 1 city/town in Montgomery County, IL. The largest city of Montgomery County is Donnellson with a population of 196.
Donnellson, Human settlement in Illinois, United States of America
List of cities, towns, neighborhoods & other populated places in Montgomery County.
City Name | Title | Population |
---|---|---|
Donnellson | Human settlement in Illinois, United States of America | 196 |