Madison County, county in Ohio, United States. As of 2020 county had an estimated population of 44,559 inhabitants. The county was created 212 years ago in 1810. Its county seat is "London".
There are 1 city/town in Madison County, OH. The largest city of Madison County is Plain City with a population of 4,761.
Cities, Towns, Neighborhoods & Other Populated Places in Madison County.
|Plain City||Human settlement in Ohio, United States of America||Madison||4,761|