Bull Run Mountain Estates, VA has a population of 1,359 and is the 13,279th largest city in the United States. The population density is 772 per sq mi which is 303% higher than the Virginia average and 752% higher than the national average. The median age in Bull Run Mountain Estates is 43 which is approximately 15% higher than the Virginia average of 38. In Bull Run Mountain Estates, 65% of the population over 15 years of age are married, 91% speak English and 5% speak Spanish. 41% of Bull Run Mountain Estates residents were born in Virginia, 53% were born out of state, 3% were born outside of the United States and 3% were foreign born.