'Whiteside County, IL' definitions:
Whiteside -- U.S. County in Illinois
From: Gazetteer 2000
Name :
Whiteside -- U.S. County in Illinois
Population (2000) :
60653
Housing Units (2000) :
25025
Land area (2000) :
684.770119 sq. miles (1773.546391 sq. km)
Water area (2000) :
12.242187 sq. miles (31.707117 sq. km)
Total area (2000) :
697.012306 sq. miles (1805.253508 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
41.778260 N, 89.867831 W