Classification: County
Located in: Kansas (KS)
Total Population (2000): 18426
Total Housing Units (2000): 7491
Land Area (square meters): 1388524630
Water Area (square meters): 53953277
Land Area (square miles): 536.11238
Water Area (square miles): 20.831478
Latitude (decimal degrees): 39.234439
Longitude (decimal degrees): -95.391016
FIPS Code: 20
Place FIPS Code: 87