'Mason City, IL' definitions:

Mason City, IL -- U.S. city in Illinois

From: Gazetteer 2000
Name :
Mason City, IL -- U.S. city in Illinois
Population (2000) :
2558
Housing Units (2000) :
1127
Land area (2000) :
0.984197 sq. miles (2.549059 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.984197 sq. miles (2.549059 sq. km)
FIPS code :
47475
Located within :
Illinois (IL), FIPS 17
Location :
40.202965 N, 89.696109 W
Note :
some ZIP codes may be omitted esp. for suburbs.