De Graff is a village located in Logan County, Ohio, United States. The population was 1,250 at the 2020 census.
Aerial view of De Graff from the southeast
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.
Logan County Courthouse
Historical marker in downtown Bellefontaine marking the site of Blue Jacket's Town