'Massac, IL' definitions:
Massac -- U.S. County in Illinois
From: Gazetteer 2000
Name :
Massac -- U.S. County in Illinois
Population (2000) :
15161
Housing Units (2000) :
6951
Land area (2000) :
239.053598 sq. miles (619.145951 sq. km)
Water area (2000) :
3.063958 sq. miles (7.935615 sq. km)
Total area (2000) :
242.117556 sq. miles (627.081566 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
37.203007 N, 88.742654 W