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.
The majority of Reston lies within Virginia's 11th congressional district and is represented in Congress by Democratic Representative Gerry Connolly. A portion of Reston is in Virginia's 10th District and is represented by Congresswoman Barbara Comstock.