Welcome to the Village of Edison Established in 1882. We have a rich history, which is celebrated, and we offer many assets of a small town, our largest is our citizens. We constantly strive to provide our citizens with the latest services/technology as possible and from this website try to provide you with the information you are looking for. The population was 437 at the 2010 census. Edison is adjacent to and west of Mount Gilead, Ohio, the county seat.