Tulsa County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 669,279, making it the second-most populous county in the state, behind only Oklahoma County.
Okmulgee County is a county in the U.S. state of Oklahoma. As of the 2020 census, the population was 36,706. The county seat is Okmulgee. Located within the Muscogee Nation Reservation, the county was
Muscogee (Creek) Council House in downtown Okmulgee.