'Niantic, IL' definitions:

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

From: Gazetteer 2000
Name :
Niantic, IL -- U.S. village in Illinois
Population (2000) :
738
Housing Units (2000) :
299
Land area (2000) :
1.074672 sq. miles (2.783388 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
1.074672 sq. miles (2.783388 sq. km)
FIPS code :
52961
Located within :
Illinois (IL), FIPS 17
Location :
39.854922 N, 89.165546 W
ZIP Codes (1990) :
62551
Note :
some ZIP codes may be omitted esp. for suburbs.