Aberdeen is a village in Huntington Township, Brown County, Ohio, United States, along the Ohio River 50 miles southeast of Cincinnati. The population was 1,515 at the 2020 census. Aberdeen was founded by James Edwards in 1795 and platted by Nathan Ellis in 1816. It was incorporated on July 5, 1816. It was part of Zane's Trace, a frontier ro…Aberdeen is a village in Huntington Township, Brown County, Ohio, United States, along the Ohio River 50 miles southeast of Cincinnati. The population was 1,515 at the 2020 census. Aberdeen was founded by James Edwards in 1795 and platted by Nathan Ellis in 1816. It was incorporated on July 5, 1816. It was part of Zane's Trace, a frontier road through the Northwest Territory completed in 1797. Aberdeen is connected to Maysville, Kentucky by the Simon Kenton Memorial Bridge and the William H. Harsha Bridge, a cable-stayed bridge completed in 2001.