Marbleton is a town in Sublette County, Wyoming, United States. The population was 1,094 at the 2010 census. Marbleton is located at 42°33′26″N 110°6′22″W / 42.55722°N 110.10611°W. According to the United States Census Bureau, the town has a total area of 0.86 square miles, all land.