Cook County, IL: GIS data downloads
Search for data, view boundary, parcel, and budget layers, and request new datasets or public information through the county portal.
Cook County GIS data downloads
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What to know
- Explore boundary data like tax districts, election precincts, and address points.
- View parcel and valuation information, tax sales, and tax codes.
- Use the Open Budget tool to explore interactive revenue, expenditure, and capital planning data.
Taken from the site itself on Oct 8, 2026.
What you can look up here
- GIS data downloadsDownload parcels, roads, imagery, lidar, and other layers.
About this resource
- Provided by
- Cook County (official)
- Covers
- Cook County, IL
- Link status
- Opened normally at the last check
- Link checked
- Oct 15, 2026
- Web address
- https://datacatalog.cookcountyil.gov/
Who to contact
- Cook County Geographic Information Systems (GIS)Runs the GIS and maps for Cook County.Todd Schuble, GIS Manager
- gis@cookcountyil.gov
- Website
- Visit website
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