Example image of eyePlorer eyePlorer map for 'Washington Metropolitan Area': Baltimore-Washington Metropolitan Area Office of Management and Budget United States United States metropolitan area United States Department of Homeland Security Northern Virginia Maryland Virginia Washington, D.C. West Virginia Baltimore Metropolitan Area Lexington Park, Maryland Maryland General Assembly Metropolitan Washington Council of Governments United States House of Representatives United States Senate Virginia General Assembly Metropolitan planning organization Germantown, Montgomery County, Maryland Immigration and Nationality Act of 1965 Race and ethnicity in the United States Census Median household income Fairfax County, Virginia Highest-income counties in the United States Loudoun County, Virginia American Community Survey Arlington County, Virginia Bachelor's degree Montgomery County, Maryland Biotechnology National Institutes of Health Howard Hughes Medical Institute Human Genome Sciences The Institute for Genomic Research The Pentagon BAE Systems Computer Sciences Corporation General Dynamics Lockheed Martin Orbital Sciences Corporation Raytheon Science Applications International Corporation AES Corporation Airbus Baltimore-Washington International Thurgood Marshall Airport Bethesda Softworks Bethesda, Maryland Black Entertainment Television Chantilly, Virginia City of Falls Church, Virginia