Classification: County
Located in: Oklahoma (OK)
Total Population (2000): 19456
Total Housing Units (2000): 12640
Land Area (square meters): 1605808518
Water Area (square meters): 239514974
Land Area (square miles): 620.006161
Water Area (square miles): 92.477252
Latitude (decimal degrees): 35.375963
Longitude (decimal degrees): -95.603934
FIPS Code: 40
Place FIPS Code: 91