Logan County is a county in the west central portion of the U.S. state of Ohio. As of the 2020 census, the population was 46,150. The county seat is Bellefontaine. The county is named for Benjamin Logan, who fought Native Americans in the area.
Historical marker in downtown Bellefontaine marking the site of Blue Jacket's Town
Shelby County is a county in the western portion of the U.S. state of Ohio. As of the 2020 United States Census, the population was 48,230. Its county seat is Sidney. Its name honors Isaac Shelby, first governor of Kentucky.