'Henry County, IL' definitions:
Henry -- U.S. County in Illinois
From: Gazetteer 2000
Name :
Henry -- U.S. County in Illinois
Population (2000) :
51020
Housing Units (2000) :
21270
Land area (2000) :
823.212439 sq. miles (2132.110339 sq. km)
Water area (2000) :
2.384619 sq. miles (6.176134 sq. km)
Total area (2000) :
825.597058 sq. miles (2138.286473 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
41.351751 N, 90.120495 W