'Calhoun County, IL' definitions:
Calhoun -- U.S. County in Illinois
From: Gazetteer 2000
Name :
Calhoun -- U.S. County in Illinois
Population (2000) :
5084
Housing Units (2000) :
2681
Land area (2000) :
253.815530 sq. miles (657.379178 sq. km)
Water area (2000) :
29.870828 sq. miles (77.365087 sq. km)
Total area (2000) :
283.686358 sq. miles (734.744265 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
39.168969 N, 90.653186 W