Washington–Baltimore combined statistical area
Combined Statistical Area in the United States / From Wikipedia, the free encyclopedia
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The Washington–Baltimore combined metropolitan statistical area is a statistical area including the overlapping metropolitan areas of Washington, D.C. and Baltimore. The region includes Central Maryland, Northern Virginia, three counties in the Eastern Panhandle of West Virginia, and one county in south-central Pennsylvania. It is the most educated, highest-income, and third-most populous combined statistical area in the United States behind New York City–Newark, NJ and Los Angeles–Long Beach.[1][2]
Washington–Baltimore combined statistical area | |
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Washington–Baltimore–Arlington, DC–VA–MD–WV–PA Combined Statistical Area | |
Coordinates: 38.97°N 77.32°W / 38.97; -77.32 | |
Country | United States |
State or area | |
Constituent metropolitan & micropolitan areas | Core areas:
Outlying areas:
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Principal cities |
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Population (2020) | |
• CSA | 9,973,383 (3rd) |
Time zone | UTC-5 (EST) |
• Summer (DST) | UTC-4 (EDT) |
Area codes | 202/771, 301/240/227, 304/681, 410/443/667, 540/826, 703/571, 717/223 |
The area is designated by the Office of Management and Budget (OMB) as the Washington–Baltimore–Arlington, DC–MD–VA–WV–PA Combined Statistical Area. It is composed primarily of two major metropolitan statistical areas (MSAs), the Washington–Arlington–Alexandria, DC–VA–MD–WV MSA and the Baltimore–Columbia–Towson, Maryland Metropolitan Statistical Area. Five smaller urban areas not contiguous to the main urban area but having strong commuting ties with the main area are included in the metropolitan area:[3]Hagerstown–Martinsburg, Maryland–West Virginia MSA, the Chambersburg–Waynesboro, Pennsylvania MSA, the Winchester, VA–WV MSA, the California–Lexington Park, Maryland MSA, and the Easton, Maryland micropolitan statistical area (μSA).
Some counties, such as Caroline and King George County, Virginia, are not officially designated by OMB as members of this metropolitan area but still consider themselves members anyway.[4][5][6][7][8] This is mostly due to their proximity to the area, the size of their commuter population, and by the influence of local broadcasting stations. The population of the entire Washington–Baltimore Combined Statistical Area as of the 2020 census was 9,973,383. The area's most-populous city is Washington, D.C. with a population of 689,545, and the area's most populous county is Fairfax County, Virginia, with a population of 1,150,309.[9]