Clark County, IL boundary lines
Download Clark County, Illinois boundary line data in CSV format. For example Clark County boundary line data can be used to draw border line on Google map or polyline on equirectangular map image. Read more
Clark County boundaries on map
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[Google map] • [Counties]
Latitude, longitude: 39.332, -87.792. Land area: 501 sq.mi, water area: 3.400 sq.mi. Population: 15,979
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.
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Download Clark County boundaries in CSV format.
File info: 198 lines, 1 polyline, size: 3,929 bytes