'Marion County, IA' definitions:

Marion -- U.S. County in Iowa

From: Gazetteer 2000
Name :
Marion -- U.S. County in Iowa
Population (2000) :
32052
Housing Units (2000) :
12755
Land area (2000) :
554.214104 sq. miles (1435.407880 sq. km)
Water area (2000) :
16.320437 sq. miles (42.269737 sq. km)
Total area (2000) :
570.534541 sq. miles (1477.677617 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
41.325547 N, 93.069235 W