'Livingston County, IL' definitions:

Livingston -- U.S. County in Illinois

From: Gazetteer 2000
Name :
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