Согласно переписи 2004 года количество жителей по районам:
Washington-Arlington-Alexandria, DC-VA-MD-WV MSA — 5,139,549 человек состоит из двух метрополийBethesda-Gaithersburg-Frederick, MD Metropolitan Division — 1,139,343 человек Frederick County Montgomery County и Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Division — 4,000,206 человек Washington, D.C. Calvert County, Maryland Charles County, Maryland Prince George's County, Maryland Arlington County, Virginia Clarke County, Virginia Fairfax County, Virginia Fauquier County, Virginia Loudoun County, Virginia Prince William County, Virginia Spotsylvania County, Virginia Stafford County, Virginia Warren County, Virginia Alexandria, Virginia Fairfax, Virginia Falls Church, Virginia Fredericksburg, Virginia Manassas, Virginia Manassas Park, Virginia Jefferson County, West Virginia
Baltimore-Towson, MD MSA — 2,639,213 человек Включает: Baltimore City Anne Arundel County Baltimore County Carroll County Harford County Howard County Queen Anne's County
Winchester, VA-WV MSA — 112,932 человек Включает: Frederick County, Virginia Winchester city, Virginia Hampshire County, West Virginia
Lexington Park, MD Micropolitan Area — 94,921 человоек Включает: Saint Mary's County
Culpeper, VA Micropolitan Area — 40,192 человек Включает: Culpeper County
Список городов: Washington area * Washington, D.C. * Arlington, Virginia * Alexandria, Virginia * Tysons Corner, Virginia * Reston, Virginia * Herndon, Virginia * Fredericksburg, Virginia * Bethesda, Maryland * Silver Spring, Maryland * Gaithersburg, Maryland * Frederick, Maryland * Rockville, Maryland
Baltimore area * Baltimore, Maryland * Columbia, Maryland * Ellicott City, Maryland * Glen Burnie, Maryland * Towson, Maryland * Dundalk, Maryland * Catonsville, Maryland * Westminster, Maryland
Copyright © 2007 Seagull Publications Corporation. All rights reserved. Источники:Baltimore-Washington Metropolitan Area Office of Management and Budget