DuPage County, IL boundary lines

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

DuPage County boundaries on map

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[Google map] • [Counties]

Latitude, longitude: 41.852, -88.086. Land area: 328 sq.mi, water area: 8.825 sq.mi. Population: 933,736

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.