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.
Reston, Virginia, earned its place in U.S. history as America's first large-scale master-planned community built after World War II. Founded in 1964, it has grown continually, reaching a population of 60,000 by 2010.