Roger Mills County
There are 4 US Post Offices in Roger Mills County serving a total of 3,213 residents equating to 803 residents per post office. It's estimated that approximately 5,128 packages are handled across the 4 county post offices annually. 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. Roger Mills county is located above the petroleum-rich Panhandle-Hugoton Field, making it one of the leading sources of oil, natural gas and helium. The county also overlies part of the Ogallala Aquifer."