Ada is a village in Hardin County, Ohio, US, founded in 1853 and incorporated in 1864. It was named after Ada Haywood, the daughter of a early settler. The village is home to Ohio Northern University, a private comprehensive university founded in 1871. A notable landmark is the Ada Depot, a former railroad station now serving as a museum and visitor center.
Dollar General takes the top spot among Dollar Stores and Deep Discount Stores in Ada, Ohio with 1 locations as of April 12, 2024.