Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 201.
MADISON COUNTY, situated on the westerly boundary of Illinois, on the Mississippi river. Area, 760 square miles. Face of the country level; soil fertile. Seat of justice, Edwardsville. Pop. in 1830, 6,229; in 1840, 14,433; In 1850, 20,436.