1875 Map of Madison County Ohio

Madison County is a county located in the central portion of the U.S. state of Ohio. As of the 2020 census, the population was 43,824. Its county seat is London. The county is named for James Madison, President of the United States and was established on March 1, 1810. Madison County is part of the Columbus, OH Metropolitan Statistical Area.
  • Country: United States
  • State: Ohio
  • Founded: February 16, 1810
  • Named for: James Madison
  • Seat: London
  • Largest city: London
  • Congressional district: 15th

Nearby

Data from: en.wikipedia.org