With an approximate area of 1,146 sq mi, Roger Mills County had been founded in the year 1892. The county was named on behalf of Roger Q. Mills and is situated in the western part of Oklahoma State. The county seat and the largest city are at Cheyenne. Over 3.7K people with an intermingling cohabitation of White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others along with 1.4K households and 0.9K families inhabit the place. It is remarkable due to its location above the petroleum-rich Anadarko Basin.

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