Bon Air, VA has a population of 16,957 and is the 2,528th largest city in the United States. The population density is 2,028 per sq mi which is 960% higher than the Virginia average and 2139% higher than the national average. The median age in Bon Air is 41 which is approximately 9% higher than the Virginia average of 38. In Bon Air, 52% of the population over 15 years of age are married, 88% speak English and 7% speak Spanish. 54% of Bon Air residents were born in Virginia, 35% were born out of state, 1% were born outside of the United States and 10% were foreign born.