Neighborhoods play an important role in residential property assessment. Single-family and residential multi-family property assessments are sensitive to neighborhood boundaries. Neighborhoods are nearly always used in statistical regression models to produce initial assessed values, and comparable properties are nearly always selected from within neighborhoods for the purposes of appeal. See data notes for additional information.

Municipalities around Cook County have opened cooling centers for area residents as temperatures start to rise. Residents who need to seek shelter should contact the center first to verify it is open. This dataset will be no longer updated on May 1, 2019. Please refer to this link for future updates: https://datacatalog.cookcountyil.gov/dataset/Cook-County-Cooling-Centers-Map/dnn9-esge

The feature class Right-of-Way indicates tax exempt rights-of-way digitized from recorded plats.

Political Townships in Cook County

The feature class LOT contains lot polygons as shown on the tax map.

Unit School Taxing Districts in Cook County

Sanitary Taxing Districts within Cook County

Park Taxing Districts within Cook County

Metropolitan Water Reclamation Taxing Districts in Cook County

Library Taxing Districts in Cook County