Classification: County
Located in: Oklahoma (OK)
Total Population (2000): 660448
Total Housing Units (2000): 295020
Land Area (square meters): 1836542444
Water Area (square meters): 23878647
Land Area (square miles): 709.093032
Water Area (square miles): 9.219598
Latitude (decimal degrees): 35.509671
Longitude (decimal degrees): -97.496525
FIPS Code: 40
Place FIPS Code: 109