District of Columbia boundary line

Download District of Columbia state 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

Boundaries on state map are drawn using data from this site. You can click on flag to hide it.
[Google map] • [States]

Latitude, longitude: 38.904, -77.017. Land area: 61 sq.mi, water area: 7 sq.mi. Population: 672,228

Notes, sources:

Census.gov: Population 2015 estimated . Area (land and water area, sq.mi.). Both files retrieved 10/04/2016.
Boundary data: Since 10/04/2016 all boundary files are replaced, old version was extract from openstreetmap.org. New: Census.gov (ZIP, 8.5Mb), simplified using Ramer–Douglas–Peucker algorithm.