Mount Gilead is a village and the county seat of Morrow County, Ohio, United States. It is located 41 miles (66 km) northeast of Columbus. The population was 3,660 at the 2010 census. It is the center of population of Ohio. The village was established in 1832, eight years after white settlers arrived in the region. Before their arrival, the forest was a hunting area for the Shawnee tribe.