359,166 parcels with property lines across 16 of Illinois's 102 counties. Zoom into any county for its ZIP codes, school districts and townships. Keep zooming and the parcels draw in. Tap one for the details.
Everything you see on this map for Illinois, packaged: all 102 county data packs, the grey basemap tiles for offline use, and every parcel with the parcels option. Topo, imagery and night-lights basemaps are third-party layers and not part of the download.
CountyGISMaps is an independent data service, not a government agency.