'Bluffs' definitions:

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

From: Gazetteer 2000
Name :
Bluffs, IL -- U.S. village in Illinois
Population (2000) :
748
Housing Units (2000) :
330
Land area (2000) :
1.015041 sq. miles (2.628945 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
1.015041 sq. miles (2.628945 sq. km)
FIPS code :
06899
Located within :
Illinois (IL), FIPS 17
Location :
39.749376 N, 90.534884 W
Note :
some ZIP codes may be omitted esp. for suburbs.