Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 291.
PIKE COUNTY, situated in the south part of Ohio, and traversed by Scioto river. Area, 421 square miles. Face of the country, rough and hilly; soil varied but mostly of middling quality. Seat of justice, Piketon. Pop. in 1820, 4,253; in 1830, 6,024; in 1840, 7,626; in 1850, 10,953.