Walker Mill is an unincorporated area and census-designated place (CDP) in Prince George's County, Maryland, United States. The population was 11,302 at the 2010 census.GeographyWalker Mill is located at.According to the United States Census Bureau, the CDP has a total area of 3.2sqmi, all of it land.DemographicsAs of the census of 2000, there were 11,104 people, 3,976 households, and 2,985 families residing in the CDP. The population density was 3,523.2 people per square mile (1,361.0/km²). There were 4,219 housing units at an average density of 1,338.7/sq mi (517.1/km²). The racial makeup of the CDP was 2.47% White, 94.99% African American, 0.37% Native American, 0.26% Asian, 0.01% Pacific Islander, 0.23% from other races, and 1.68% from two or more races. Hispanic or Latino of any race were 0.90% of the population.There were 3,976 households out of which 37.9% had children under the age of 18 living with them, 34.4% were married couples living together, 34.7% had a female householder with no husband present, and 24.9% were non-families. 20.7% of all households were made up of individuals and 3.4% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.18.
