Sangamon County, IL boundary lines

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

Sangamon County boundaries on map

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[Google map] • [Counties]

Latitude, longitude: 39.757, -89.662. Land area: 868 sq.mi, water area: 8.717 sq.mi. Population: 198,712

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.