Classification: County
Located in: South Dakota (SD)
Total Population (2000): 25897
Total Housing Units (2000): 11324
Land Area (square meters): 1781063200
Water Area (square meters): 76161811
Land Area (square miles): 687.672375
Water Area (square miles): 29.406241
Latitude (decimal degrees): 44.939334
Longitude (decimal degrees): -97.157383
FIPS Code: 46
Place FIPS Code: 29