'Rio, IL' definitions:

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

From: Gazetteer 2000
Name :
Rio, IL -- U.S. village in Illinois
Population (2000) :
240
Housing Units (2000) :
101
Land area (2000) :
0.325366 sq. miles (0.842695 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.325366 sq. miles (0.842695 sq. km)
FIPS code :
64148
Located within :
Illinois (IL), FIPS 17
Location :
41.110236 N, 90.398996 W
ZIP Codes (1990) :
61472
Note :
some ZIP codes may be omitted esp. for suburbs.