Box Elder is a city in Meade and Pennington counties in the State of South Dakota. The population was 7,800 at the 2010 census. Ellsworth Air Force Base lies on the north side of the city.Box Elder was named from nearby Boxelder Creek.Demographics2010 censusAs of the census of 2010, there were 7,800 people, 2,443 households, and 1,968 families residing in the city. The population density was 561.2PD/sqmi. There were 2,828 housing units at an average density of 203.5/sqmi. The racial makeup of the city was 79.5% White, 5.1% African American, 4.4% Native American, 2.2% Asian, 0.4% Pacific Islander, 2.4% from other races, and 6.0% from two or more races. Hispanic or Latino of any race were 7.9% of the population.There were 2,443 households of which 55.2% had children under the age of 18 living with them, 60.6% were married couples living together, 14.1% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 19.4% were non-families. 15.1% of all households were made up of individuals and 2% had someone living alone who was 65 years of age or older. The average household size was 2.95 and the average family size was 3.26.
