County Seat: Pawhuska
Year Organized: 1907
Square Miles: 2,251
PO Box 87
the tribal name "Wazhazhe," as spelled by the French settlers of the Mississippi Valley.
County QuickFacts: Census Bureau Quick Facts
Oklahoma's largest county by area, Osage County is located in the north-central part of the state and contains a
total land and water area of 2,303.8 square miles. Created at 1907 statehood the county was named for and is home to the
Osage tribe and is contiguous with the Osage Nation Reservation. It is surrounded by Washington County on the east,
Tulsa County on the east and south, Pawnee County on the south, Noble and Kay counties on the west, and the state of
Kansas on the north. Pawhuska is the county seat, and Avant, Barnsdall, Burbank, Fairfax, Foraker, Grainola, Hominy,
Osage, Prue, Shidler, Webb City, and Wynona are other incorporated towns. U.S. Highway 60 runs east-west through the
county, and state highways include 10, 11, 18, 20, 35, 97, 99, and 123.
Most of Osage County lies in the Osage Plains physiographic region and is characterized by open and rolling prairie. The extreme east-northeastern area of the county is in the Eastern Lowlands region. Eastern Osage County has the Osage Hills, an extension of the Flint Hills of Kansas. Gray Horse, Salt, and Drum creeks drain the county's western and southern sections. These streams flow south into the Arkansas River, which serves as part of the county's southern and western boundaries. Eastern Osage County is drained by the Caney River and Bird, Hominy, and Delaware creeks, which flow east to the Verdigris River. County reservoirs include Lakes Keystone and Kaw, which were impounded on the Arkansas River as well as Hulah, Birch, Bluestem, and Skiatook lakes....OSAGE COUNTY
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