This data includes 2011 precincts used for all elections 2012 thru 2015. The purpose of the feature class is to describe and locate election precincts in Cook County, Illinois for general use by the public and business requirements of the Cook County Election Department, the Clerk's Office, and the Illinois Board of Elections.

This data includes 2011 precincts used for all elections 2012 thru 2015. The purpose of the feature class is to describe and locate election precincts in Cook County, Illinois for general use by the public and business requirements of the Cook County Election Department, the Clerk's Office, and the Illinois Board of Elections.

The Parcel 2002 feature contains tax parcel polygons for the 2002 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2002 through 12/31/2002. Each parcel is uniquely identified with a Property Index Number (PIN).

The Parcel 2002 feature contains tax parcel polygons for the 2002 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2002 through 12/31/2002. Each parcel is uniquely identified with a Property Index Number (PIN).

The Parcel 2001 feature contains tax parcel polygons for the 2001 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2001 through 12/31/2001. Each parcel is uniquely identified with a Property Index Number (PIN).

The Parcel 2001 feature contains tax parcel polygons for the 2001 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2001 through 12/31/2001. Each parcel is uniquely identified with a Property Index Number (PIN).

The Parcel 2005 feature contains tax parcel polygons for the 2005 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2005 through 12/31/2005. Each parcel is uniquely identified with a Property Index Number (PIN).

The Parcel 2005 feature contains tax parcel polygons for the 2005 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2005 through 12/31/2005. Each parcel is uniquely identified with a Property Index Number (PIN).

The Parcel 2000 feature contains tax parcel polygons for the 2000 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2000 through 12/31/2000. Each parcel is uniquely identified with a Property Index Number (PIN).

The Parcel 2000 feature contains tax parcel polygons for the 2000 property tax assessment at the County. This feature reflects tax parcel polygons as they existed from 1/1/2000 through 12/31/2000. Each parcel is uniquely identified with a Property Index Number (PIN).