'Jackson County, IA' definitions:
Jackson -- U.S. County in Iowa
From: Gazetteer 2000
Name :
Jackson -- U.S. County in Iowa
Population (2000) :
20296
Housing Units (2000) :
8949
Land area (2000) :
636.089437 sq. miles (1647.464010 sq. km)
Water area (2000) :
13.659810 sq. miles (35.378745 sq. km)
Total area (2000) :
649.749247 sq. miles (1682.842755 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
42.153859 N, 90.556325 W