Osage County, Oklahoma

Osage County
County
Osage County Courthouse
Location within the U.S. state of Oklahoma
Oklahoma's location within the U.S.
Coordinates: 36°38′N 96°24′W / 36.63°N 96.4°W / 36.63; -96.4
Country	United States
State	Oklahoma
Founded	1907
Named for	Osage Nation
Seat	Pawhuska
Largest city	Hominy
Area
• Total	2,304 sq mi (5,970 km2)
• Land	2,246 sq mi (5,820 km2)
• Water	58 sq mi (150 km2)  2.5%
Population  (2020)
• Total	45,818
• Density	20/sq mi (7.7/km2)
Congressional district	3rd

Osage County (/ˈoʊseɪdʒ/) is the largest county by area in the U.S. state of Oklahoma. Created in 1907 when Oklahoma was admitted as a state, the county is named for and is home to the federally recognized Osage Nation. The county is coextensive with the Osage Nation Reservation, established by treaty in the 19th century when the Osage relocated there from Kansas. The county seat is in Pawhuska, one of the first three towns established in the county. The total population of the county as of 2020 was 45,818.^[1]