Classification: County
Located in: Kansas (KS)
Total Population (2000): 452869
Total Housing Units (2000): 191133
Land Area (square meters): 2588371255
Water Area (square meters): 25988729
Land Area (square miles): 999.375771
Water Area (square miles): 10.034305
Latitude (decimal degrees): 37.681327
Longitude (decimal degrees): -97.36347
FIPS Code: 20
Place FIPS Code: 173