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 2010 geographies, were adopted June 2012 and went into effect in December 2014 following the County Commissioner elections.

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.

Political Townships in Cook County

Point features of parks in Cook County, Illinois. A park point feature is based upon the centroid of the complete property boundary of a park polygon feature.

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

Unit School Taxing Districts in Cook County

Sanitary Taxing Districts within Cook County

Park Taxing Districts within Cook County