 There were 3,816 housing units at an average density of 139.1 per square mile.Accokeek is a part of the Washington Metropolitan Area, in which Accokeek contains approximately 0.19% of the MSA's population.There were 3,601 households of which 34.4% had children under the age of 18 living with them, 62.8% were married couples living together, 11.4% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 21.3% were non-families.