Reston, VA has a population of 60,070 and is the 645th largest city in the United States. The population density is 3,920 per sq mi which is 1948% higher than the Virginia average and 4226% higher than the national average. The median age in Reston is 39 which is approximately 4% higher than the Virginia average of 38. In Reston, 55% of the population over 15 years of age are married, 72% speak English and 10% speak Spanish. 25% of Reston residents were born in Virginia, 48% were born out of state, 3% were born outside of the United States and 24% were foreign born.