'Clinton County, IL' definitions:
Clinton -- U.S. County in Illinois
From: Gazetteer 2000
Name :
Clinton -- U.S. County in Illinois
Population (2000) :
35535
Housing Units (2000) :
13805
Land area (2000) :
474.232721 sq. miles (1228.257056 sq. km)
Water area (2000) :
29.246843 sq. miles (75.748972 sq. km)
Total area (2000) :
503.479564 sq. miles (1304.006028 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
38.598095 N, 89.436849 W