Illinois County GIS Resources The following links are to GIS resources by county for the state of Illinois. Not all counties have GIS sites yet. We will try to add all the ones we can find. If we missed one, please email us the link! Hopefully this will be a resource for teachers to use to work with their county studies.

National Park Service GIS Data: IROADS: IDOT AADT (GETTING AROUND IL) IDOT BRIDGE INFORMATION SYSTEM: IDOT Annual GIS Data Download: IDOT GIS Open Data Portal: IDNR GIS Maps: IDNR Elevation Finder Map: TopoView USGS Maps: USGS topoBuilder: EarthCache ArcPro Addon: ISGS Geospatial Clearinghouse Maps: Illinois GIS Association: UIUC GIS ...

The following maps are produced using Geographic Information System Technology. For Interactive Maps, see the OWR Publications Page. Illinois Public Waters Public Waters are defined as all lakes, rivers, streams and waterways which are or were navigable and are open or dedicated to public use including bayous, sloughs, backwaters and submerged lands …

Search for Illinois GIS maps and property maps. Property maps show property and parcel boundaries, municipal boundaries, and zoning boundaries, and GIS maps show floodplains, air traffic patterns, and soil composition.

Oct 6, 2022 · ILLINOIS CITY AND COUNTY BOUNDARIES Web Map by dmx@9901. Last Modified: October 6, 2022 (0 ratings, 0 comments, 3,275 views) ... Arc GIS. Home Overview Pricing Gallery Scene Notebooks Groups Content Organization Help + + + + + + + + + + ...

State of Illinois Enterprise GIS - ArcGIS

About Illinois GIS Maps. Geographic Information Systems (GIS) serve as a crucial tool for spatial analysis and data visualization in Illinois. They provide communities, researchers, and policymakers with the power to map and analyze data in a geographic context, offering insights that are less evident in traditional data formats.

AcreValue helps you locate parcels, property lines, and ownership information for land online, eliminating the need for plat books. The AcreValue Illinois plat map, sourced from Illinois tax assessors, indicates the property boundaries for each parcel of land, with information about the landowner, the parcel number, and the total acres.

The Open Data Portal is a central, cloud-based repository for all publicly available Lake County GIS datasets, applications, PDF maps and related data. Users can view and stylize spatial components of the data, as well as chart tabular information. Data can be downloaded in a variety of file formats, including ESRI Shapefiles (.shp), KML, and ...

The new GIS Map Viewer is now available. Data requests may still be emailed to Josh Boudi ... are available for Rock Island County ranging from 1998 through 2000. These images can be downloaded from the Illinois Natural Resources Geospatial Data Clearinghouse.) Commonly requested maps include parcel ownership, street centerlines, floodplain ...