'Jackson County, WI' definitions:

Jackson -- U.S. County in Wisconsin

From: Gazetteer 2000
Name :
Jackson -- U.S. County in Wisconsin
Population (2000) :
19100
Housing Units (2000) :
8029
Land area (2000) :
987.316057 sq. miles (2557.136741 sq. km)
Water area (2000) :
12.791785 sq. miles (33.130570 sq. km)
Total area (2000) :
1000.107842 sq. miles (2590.267311 sq. km)
Located within :
Wisconsin (WI), FIPS 55
Location :
44.328224 N, 90.861592 W