Classification: County
Located in: Iowa (IA)
Total Population (2000): 16976
Total Housing Units (2000): 7302
Land Area (square meters): 1385188241
Water Area (square meters): 1359121
Land Area (square miles): 534.824193
Water Area (square miles): 0.52476
Latitude (decimal degrees): 40.740012
Longitude (decimal degrees): -95.16597
FIPS Code: 19
Place FIPS Code: 145