Carroll County, Illinois (Fanning's, 1853)
Gazetteer/Almanac
CARROLL COUNTY, situated on the westerly boundary of Illinois, on tho east side of Mississippi river. Area, 445 square miles. Seat of justice Mount Carroll. Pop. in 1840, 1,023; in 1850, 4,586.
Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 68.