'Hillsdale, IL' definitions:

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

From: Gazetteer 2000
Name :
Hillsdale, IL -- U.S. village in Illinois
Population (2000) :
588
Housing Units (2000) :
237
Land area (2000) :
0.753654 sq. miles (1.951955 sq. km)
Water area (2000) :
0.024780 sq. miles (0.064180 sq. km)
Total area (2000) :
0.778434 sq. miles (2.016135 sq. km)
FIPS code :
35073
Located within :
Illinois (IL), FIPS 17
Location :
41.610304 N, 90.173573 W
ZIP Codes (1990) :
61257
Note :
some ZIP codes may be omitted esp. for suburbs.