'Summit, IL' definitions:

Summit, IL -- U.S. village in Illinois

From: Gazetteer 2000
Name :
Summit, IL -- U.S. village in Illinois
Population (2000) :
10637
Housing Units (2000) :
3552
Land area (2000) :
2.123687 sq. miles (5.500324 sq. km)
Water area (2000) :
0.153506 sq. miles (0.397578 sq. km)
Total area (2000) :
2.277193 sq. miles (5.897902 sq. km)
FIPS code :
73638
Located within :
Illinois (IL), FIPS 17
Location :
41.788530 N, 87.813909 W
Note :
some ZIP codes may be omitted esp. for suburbs.