Adel is an unincorporated community in northwestern Pushmataha County, Oklahoma, United States.
Prior to Oklahoma's statehood, Adel was located in Jack's Fork County, a part of the Pushmataha District of the Choctaw Nation.
[2] Adel, Indian Territory, was granted a United States Post Office on June 3, 1907.
Only one grave, that of a county sheriff from the old Choctaw Nation, bears a marker and it is dated 1880.
[4] Adel's relative isolation was broken with the opening of the Indian Nation Turnpike in 1970, which features an interchange for Daisy.