Box Elder (Lakota: ÃÂhaà Âà ¡Ãºà ¡ka; "box elder maple") is a city in Pennington and Meade Counties, South Dakota, United States. The population was 11,746 at the 2020 census, and was estimated to be 13,887 in 2024, making it the ninth-most populous city in South Dakota. Ellsworth Air Force Base lies on the northeast side of the city, and it is a suburb of Rapid City.
Box Elder was named from nearby Boxelder Creek.
According to the United States Census Bureau, the city has a total area of , of which is land and (0.16%) is water.
Box Elder is located near Ellsworth Air Force Base which surrounds it on three sides.
As of the 2023 American Community Survey, there are 4,311 estimated households in Box Elder with an average of 2.82 persons per household. The city has a median household income of $73,698. Approximately 7.4% of the city's population lives at or below the poverty line. Box Elder has an estimated 65.8% employment rate, with 29.8% of the population holding a bachelor's degree or higher and 94.2% holding a high school diploma.
The top five reported ancestries (people were allowed to report up to two ancestries, thus the figures will generally add to more than 100%) were English (97.0%), Spanish (1.1%), Indo-European (0.4%), Asian and Pacific Islander (1.0%), and Other (0.5%).
As of the 2020 census, there were 11,746 people, 4,123 households, and 2,992 families residing in the city. The population density was . There were 4,373 housing units at an average density of .
As of the 2020 census, the median age was 27.8 years. 29.9% of residents were under the age of 18 and 8.1% of residents were 65 years of age or older. For every 100 females there were 107.6 males, and for every 100 females age 18 and over there were 108.3 males.
As of the 2020 census, there were 4,123 households in Box Elder, of which 42.3% had children under the age of 18 living in them. Of all households, 56.5% were married-couple households, 17.3% were households with a male householder and no spouse or partner present, and 17.6% were households with a female householder and no spouse or partner present. About 20.1% of all households were made up of individuals and 4.7% had someone living alone who was 65 years of age or older. There were 4,373 housing units, of which 5.7% were vacant. The homeowner vacancy rate was 2.2% and the rental vacancy rate was 5.5%.
As of the 2020 census, 90.6% of residents lived in urban areas, while 9.4% lived in rural areas.
As of the 2010 census, there were 7,800 people, 2,443 households, and 1,968 families residing in the city. The population density was . There were 2,828 housing units at an average density of . The racial makeup of the city was 79.51% White, 5.10% African American, 4.45% Native American, 2.19% Asian, 0.37% Pacific Islander, 2.36% from some other races and 6.01% from two or more races. Hispanic or Latino people of any race were 7.95% of the population.
There were 2,443 households, 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 households were one person, and 2% were one person aged 65 or older. The average household size was 2.95 and the average family size was 3.26.
The median age was 23.5 years. 33.6% of residents were under the age of 18; 20.4% were between the ages of 18 and 24; 30.3% were from 25 to 44; 13% were from 45 to 64, and 2.9% were 65 or older. The gender makeup of the city was 51.9% male and 48.1% female.
As of the 2000 census, there were 2,841 people, 993 households, and 750 families residing in the city. The population density was . There were 1,072 housing units at an average density of . The racial makeup of the city was 83.42% White, 2.29% African American, 5.60% Native American, 2.08% Asian, 0.11% Pacific Islander, 0.70% from some other races and 5.81% from two or more races. Hispanic or Latino people of any race were 3.56% of the population.
There were 993 households, 48.0% had children under the age of 18 living with them, 50.4% were married couples living together, 19.6% had a female householder with no husband present, and 24.4% were non-families. 17.3% of households were one person, and 1.8% were one person aged 65 or older. The average household size was 2.86 and the average family size was 3.20.
The age distribution was 34.6% under the age of 18, 13.1% from 18 to 24, 30.9% from 25 to 44, 18.2% from 45 to 64, and 3.3% 65 or older. The median age was 26 years. For every 100 females, there were 98.9 males. For every 100 females age 18 and over, there were 95.7 males.
Douglas School District 51-1 serves families in most portions of Box Elder, and those living on Ellsworth AFB. The school district operates six schools in Box Elder:
The school's athletics teams are the Douglas Patriots.
A portion of Box Elder is in Rapid City School District 51-4.