Brown County was founded in 1819 and named for Major General Jacob Brown, an officer in the War of 1812. The county has a total area of 493.45 square miles, and the principal communities include Aberdeen, Fayetteville, Georgetown, Hamersville, Higginsport, Mt. Orab, Ripley, Russellville, Sardinia and St. Martin.
Georgetown, the county seat, was the boyhood home of Ulysses S. Grant, and the Rankin House, located in Ripley, was the first established station of the underground railroad. Brown County is also rich in agriculture, with a history steeped in the tobacco industry and said to be the place of origin of White Burley tobacco.