'Kane County, IL' definitions:

Kane -- U.S. County in Illinois

From: Gazetteer 2000
Name :
Kane -- U.S. County in Illinois
Population (2000) :
404119
Housing Units (2000) :
138998
Land area (2000) :
520.435809 sq. miles (1347.922501 sq. km)
Water area (2000) :
3.644597 sq. miles (9.439462 sq. km)
Total area (2000) :
524.080406 sq. miles (1357.361963 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
41.918229 N, 88.338441 W