Knox County, Illinois (Fanning's, 1853)
Gazetteer/Almanac
      
            KNOX COUNTY, situated toward the west part of Illinois.  Area, 792 square miles.  Seat of justice, Knoxville.  Pop. in 1830, 274; in 1840, 7,060; in 1850, 13,279.
      
            Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 181.