Population Demographics for Waldo, Arkansas in 2016 and 2017.
Reston, Virginia. Reston is a census-designated place (CDP) in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404 at the 2010 census.
Fairfax County is the most populous locality in Virginia, with over one million residents, although that does not include its county seat Fairfax, which is one of the independent cities. Fairfax County has a major urban business and shopping center in Tysons Corner, Virginia's largest office market.