Classification: County
Located in: Iowa (IA)
Total Population (2000): 20411
Total Housing Units (2000): 8145
Land Area (square meters): 1488683322
Water Area (square meters): 13678254
Land Area (square miles): 574.783868
Water Area (square miles): 5.281204
Latitude (decimal degrees): 42.718568
Longitude (decimal degrees): -95.155185
FIPS Code: 19
Place FIPS Code: 21