Classification: County
Located in: Iowa (IA)
Total Population (2000): 158668
Total Housing Units (2000): 65649
Land Area (square meters): 1186043898
Water Area (square meters): 26522530
Land Area (square miles): 457.934129
Water Area (square miles): 10.240407
Latitude (decimal degrees): 41.572127
Longitude (decimal degrees): -90.578862
FIPS Code: 19
Place FIPS Code: 163