Cook County GIS Department map of municipal boundaries in Cook Cook County, Illinois in PDF format. Includes major streets, waterbodies, rail, Cook County Forest Preserve, and municipal boundaries.
Panchromatic aerial imagery flown in 1998 for Cook County, Illinois at 6 inch pixel resolution. It is recommended that the GeoService URL is used for GIS applications, rather than downloading data.
This feature layer of the Tax Increment Financing District is only the boundary of each TIF. It does not contain revenue data. For the latest revenue data please check out our TIF Viewer application.
2017 Cook County 1 ft. elevation contours in a Zipped File Geodatabase. (Clicking on link will download .zip file.) The Cook County, Illinois one foot contours were derived from a 2017 LiDAR acquisiti
