Classification: County
Located in: Iowa (IA)
Total Population (2000): 18404
Total Housing Units (2000): 7682
Land Area (square meters): 1496634003
Water Area (square meters): 3094320
Land Area (square miles): 577.853644
Water Area (square miles): 1.194724
Latitude (decimal degrees): 42.469875
Longitude (decimal degrees): -91.377044
FIPS Code: 19
Place FIPS Code: 55