In the fantastic area of Washington DC you’ll be in good company with around 674,832 residents with around 43% of those homeowners. With an average age of 34, Washington DC has a fairly young population filled with young professionals, new parents, and new homeowners. Over the past 90 days roughly 558 homes have been sold with an average sold price of $907,532. That is a decrease of $54,722 from the previous period.