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.

Political Townships in Cook County

Political Townships in Cook County

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.

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

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

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

Cook County GIS Dept map of Calumet, Hyde Park and Lake Townships in a pdf format. Includes streets and municipalities.