GIS and Maps

What is GIS?

A Geographic Information System (GIS) is defined as using different types of geographical data to analyze, visualize, model, digitize, store, and manage information to create maps and reports that can be viewed on a paper map, digital image map, or online interactive map.

GIS Applications

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The goal of the GIS program is to educate the public about McLean County's activities and projects using maps. To view County GIS maps and apps, visit McLean County's GIS website.

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The McLean County GIS Consortium (members: McLean County, City of Bloomington, and the Town of Normal) provides GIS apps, maps, and data downloads. To view these maps and apps, visit McGIS’s website.

Map Products

County road maps are available to purchase from the County. Map production requires a fee. For inquiries email the GIS staff or call 309-434-6566.

Disclaimer:  The information displayed on McLean County maps and apps is for informational purposes only.  Although it is believed to be accurate at the time of production, McLean County does not warrant that the information displayed is error free.  The user acknowledges and agrees that the use of maps and apps is at the sole risk of the user.