"0.0"^^ . "Washington metropolitan area"@en . "1.44122e+10"^^ . . . "The Washington metropolitan area is the metropolitan area centered on Washington, D.C., the capital of the United States. The area includes all of the federal district and parts of the U.S. states of Maryland and Virginia, along with a small portion of West Virginia.The Washington metropolitan area is the most educated and, by some measures, the most affluent metropolitan area in the United States. As of the 2014 U.S."@en . . "418.535"^^ . . "(Washington \u2013 Arlington \u2013 Alexandria)"@en . . . . . . "4586770"^^ . "1.4412e+10"^^ . . "-5" . "-4" . . . "418.7"^^ . . . . "6033737"^^ .