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.
Dickenson County, formed in 1880 from parts of Buchanan County, Russell County, and Wise County, is Virginia's youngest county. It was named for William J. Dickenson, delegate to the Virginia General Assembly from Russell County, 1859â1861, 1865â1867, and 1877â1882. Geography According to the U.S. Census Bureau, the county has a total area of 334 square miles (870 km 2), of which 331 square miles (860 km 2) is land and 3.1 square miles (8.0 km 2) (0.9%) is water.