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Science In Your Backyard: District of Columbia

District of Columbia

  • Maryland/District of Columbia Water Science Center
    5522 Research Park Drive
    Baltimore, MD 21228
    Phone: (443) 498-5500
    Fax: (443) 498-5510
    Office hours: 8:00a.m. to 4:30 p.m. Eastern Time

  • National Spatial Data Infrastructure Partnership Office (Liason for: DC, DE, MD, NJ, Chesapeake Bay)

    U.S. Geological Survey
    Eastern Region Geography, MS 559
    12201 Sunrise Valley Drive
    Reston, VA 20192
    Phone: (703) 648-5189

News Releases of Interest for District of Columbia:

View more news releases of interest for District of Columbia (new window)

District of Columbia Real-Time Information:

Highlighted District of Columbia Links:

District of Columbia State Facts

Image of District of Columbia with a star pinpointing the location of the capital.
Locations on image are approximate

Capital: D.C.(Star shaped icon located on map pinpointing capital.)
Land Area: 61 sq. miles
(source: 2010 Census)
Population: 601,723
(source: 2010 Census estimate)
Lowest Point:
Potomac River at Sea Level
(source: U.S. Geological Survey)
Geographic Center:
Located approx. at Fourth and L Streets N.W.
(source: U.S. Geological Survey)


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Page Last Modified: Friday, October 02, 2009