Livingston -- U.S. County in Illinois Population (2000): 39678 Housing Units (2000): 15297 Land area (2000): 1043.759810 sq. miles (2703.325383 sq. km) Water area (2000): 1.673123 sq. miles (4.333369 sq. km) Total area (2000): 1045.432933 sq. miles (2707.658752 sq. km) Located within: Illinois (IL), FIPS 17 Location: 40.903217 N, 88.565955 W Headwords: Livingston Livingston, IL Livingston County Livingston County, IL