'Stephenson County' definitions:
Stephenson -- U.S. County in Illinois
From: Gazetteer 2000
Name :
Stephenson -- U.S. County in Illinois
Population (2000) :
48979
Housing Units (2000) :
21713
Land area (2000) :
564.184232 sq. miles (1461.230391 sq. km)
Water area (2000) :
0.536009 sq. miles (1.388256 sq. km)
Total area (2000) :
564.720241 sq. miles (1462.618647 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
42.340808 N, 89.642608 W