Jackson County was a political subdivision of the Pushmataha District of the Choctaw Nation, in the Indian Territory. The county was dissolved upon Oklahoma’s statehood in 1907.
Jackson County was organized in 1886 from portions of Kiamitia County, Jack’s Fork County, and Blue County, Choctaw Nation. It was named for Jacob Jackson, a prominent Choctaw Indian. Its county seat was Pigeon Roost, south of present-day Boswell, Oklahoma.
Its territory was incorporated primarily into Choctaw County, Oklahoma upon Oklahoma’s statehood in 1907.