Centreville, VA has a population of 73,084 and is the 491st largest city in the United States. The population density is 6,119 per sq mi which is 3097% higher than the Virginia average and 6653% higher than the national average. The median age in Centreville is 36 which is approximately 4% lower than the Virginia average of 38. In Centreville, 60% of the population over 15 years of age are married, 56% speak English and 11% speak Spanish. 32% of Centreville residents were born in Virginia, 32% were born out of state, 2% were born outside of the United States and 35% were foreign born.