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.
Thomas is located in the small four-by-seven mile area known as the Fairfax district of Tucker County. The West Virginia Central and Pittsburgh Railway arrived here in 1884 and, 36 years later, the Fairfax District was the most densely populated area the county has ever known, at that time there were196 persons per square mile.