Centreville is a census-designated place (CDP) in Fairfax County, Virginia, United States and a suburb of Washington, D.C. The population was 71,135 at the 2010 census. Centreville is approximately 20 miles (32 km) west of Washington, D.C.
Centreville is located at 38°50′33″N 77°26′33″W / 38.84250°N 77.44250°W / 38.84250; -77.44250 (38.842470, −77.442621).
According to the United States Census Bureau (2010), the CDP has a total area of 12.04 square miles (31.2 km²), 99% of it land.
As of the 2010 census, there is a population of 71,135 people and 25,516 households in the CDP. The population density was 5,908/sq mi people per square mile (2,281/km²). The racial makeup of the CDP was 57.0%% White, 25.7% Asian, 7.5% African American, 0.3% Native American, 0.1% Pacific Islander, and 4.4% from two or more races. Hispanic or Latinos of any race were 13.4% of the population.
According to the 2000 census, there were 21,789 households, out of which 41.5% had children under the age of 18 living with them, 54.0% were married couples living together, 10.4% had a female householder with no husband present, and 32.0% were non-families. 21.5% of all households were made up of individuals and 2.1% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.27.
In the CDP, the population is spread out, with 28.4% under the age of 18, 8.2% from 18 to 24, 43.7% from 25 to 44, 16.4% from 45 to 64, and 3.3% who were 65 years of age or older. The median age was 31 years. For every 100 females, there are 97.6 males. For every 100 females age 18 and over, there were 94.6 males.
According to a 2007 estimate, the median income for a household in the CDP was $87,932, and the median income for a family was $105,803. Males had a median income of $70,123 versus $41,117 for females. The per capita income for the CDP was $40,878. About 2.0% of families and 1.0% of the population were below the poverty line, including 3.0% of those under age 18 and 1.7% of those age 65 or over.