Bryan County is a county in the U.S. state of Oklahoma. As of the 2020 census, the population was 46,067. Its county seat is Durant. It is the only county in the United States named for Democratic politician William Jennings Bryan.

Durant is a city in Bryan County, Oklahoma, United States. The population was 18,589 in the 2020 census. It serves as the capital of the Choctaw Nation, and is the largest settlement on the reservation, ranking ahead of McAlester and Poteau. Durant is the principal city of the Durant Micropolitan Statistical Area, which had a population of 46,067 in 2020. Durant is also part of the Dallas–Fort Worth Combined Statistical Area, anchoring the northern edge.