Parkman is a census-designated place (CDP) in Sheridan County, Wyoming, United States. The population was 151 at the 2010 census.GeographyParkman is located at .According to the United States Census Bureau, the CDP has a total area of 9.6 square miles, of which, 9.6 square miles of it is land and 0.02 square miles of it is water.HistoryThe Crow people called the place Awaasúuachiikaxiia, "house that leans," because "the original bar in Parkman had a roof that had one side longer than the other."DemographicsAs of the census of 2000, there were 137 people, 52 households, and 39 families residing in the CDP. The population density was 12.3 people per square mile (4.8/km²). There were 55 housing units at an average density of 4.9/sq mi (1.9/km²). The racial makeup of the CDP was 94.89% White, 1.46% Native American, 2.92% from other races, and 0.73% from two or more races. Hispanic or Latino of any race were 2.92% of the population.There were 52 households out of which 34.6% had children under the age of 18 living with them, 61.5% were married couples living together, 11.5% had a female householder with no husband present, and 25.0% were non-families. 21.2% of all households were made up of individuals and 5.8% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 2.90.