Waldo, Arkansas. Waldo is a town in Columbia County, Arkansas, United States. The population was 1,372 at the 2010 census.
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 and 56,407 at the 2000 census.
Contributed by Tom Grubisich. Reston is a community in the Washington, D.C., metropolitan area located in western. , Virginia. Conceived as an alternative to ailing cities and sprawling suburbs, Reston, along with Columbia, Maryland, was among the first postâWorld War II new towns in the United States.