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.

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.

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

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.

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.

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