. "2.96813e+09"^^ . . "2.95518e+09"^^ . . . "town" . "0.4"^^ . . "2013Z"^^ . "1.23553"^^ . "1.37269e+07"^^ . "Roger Mills County"@en . "3743"^^ . "1891Z"^^ . "Roger Mills County is a county located in the western part of the U.S. state of Oklahoma. As of the 2010 census, the population was 3,647, making it the third-least populous county in Oklahoma. Its county seat is Cheyenne. The county was created in 1891.The county is located above the petroleum-rich Anadarko Basin."@en .