Classification: County
Located in: Iowa (IA)
Total Population (2000): 40750
Total Housing Units (2000): 16529
Land Area (square meters): 1518937313
Water Area (square meters): 13634041
Land Area (square miles): 586.465
Water Area (square miles): 5.264133
Latitude (decimal degrees): 41.682923
Longitude (decimal degrees): -94.021682
FIPS Code: 19
Place FIPS Code: 49