Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 84.
CLERMONT COUNTY, situated on the south boundary of Ohio, on the north side of Ohio river. Area, 450 square miles. Much of the soil of this county is of an excellent quality. Seat of justice, Batavia. Pop. in 1820, 15,820; in 1830, 20,466; in 1840, 23,106; in 1850, 30,455.