District of Columbia, DC boundary lines

Download District of Columbia, District of Columbia boundary line data in CSV format. For example District of Columbia boundary line data can be used to draw border line on Google map or polyline on equirectangular map image. Read more

District of Columbia boundaries on map

Note: Boundary lines on US counties map are drawn using data from our site. Click on flag to hide it.
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Latitude, longitude: 38.904, -77.017. Land area: 61 sq.mi, water area: 7.194 sq.mi. Population: 672,228

Souces, notes:

Census.gov: County population 2015 estimated.National Counties Gazetteer File (ZIP, 131KB, Land and water area, latitude, longitude). Retrieved 10/04/2016.
(AS, MP, VI: population of 2010)
Boundary data: Since 10/04/2016 all boundary files are replaced! Old version was extract from openstreetmap.org. New: Census.gov, Polylines are simplified using Ramer–Douglas–Peucker algorithm.