Historical data. For current boundaries see https://datacatalog.cookcountyil.gov/id/vx2u-6dxj. The purpose of this dataset is to indicate the boundary of each Commissioner district in Cook County, Illinois. These boundaries are based off of Census 2000 geographies and were in effect until the December 2014 County Commissioner elections.

Annual salaries paid to employees by the Cook County Comptroller as of August 28, 2014. For 2015 data see https://datacatalog.cookcountyil.gov/d/9tzu-m4zi.

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

Political Townships in Cook County

Political Townships in Cook County

The purpose of this dataset is to indicate the boundary of each park in Cook County, Illinois.

The purpose of this dataset is to indicate the boundary of each park in Cook County, Illinois.

Cook County GIS Dept index of the Cook County GIS township maps.

Cook County GIS Dept map of Bloom Township in a pdf format. Includes streets and municipalities.

Cook County GIS Dept map of Rich Township in a pdf format. Includes streets and municipalities.