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Datasets

  • Assessor - Neighborhood Boundaries

    Neighborhood polygons used by the Cook County Assessor's Office for valuation and reporting. These neighborhoods are specific to the Assessor. They are intended to represent...

  • Assessor - 2025 Open Data Refresh

    Description of Open Data available from the Cook County Assessor's Office, with assets newly published in 2025.

  • Inspector General - Employment Plan Officer Semi-Annual Reports

    Pursuant to the Employment Plan, the OIIG Employment Plan Officer will issue semi-annual reports every March 15 and September 15 to the President, the IIG, and the Compliance...

  • Human Resources - Collective Bargaining Agreements

    The following are the Collective Bargaining Agreements for Cook County for the periods of 2004-2008, 2008-2010, 2012-2017, 2017-2020 and 2020-2024/2025.

  • AP_AREA_23

    This Address Point feature class contains one point for every address in Survey Township 23 (Township 37 N, Range 12 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_18

    This Address Point feature class contains one point for every address in Survey Township 18 (Township 38 N, Range 12 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_20

    This Address Point feature class contains one point for every address in Survey Township 20 (Township 38 N, Range 14 E; see ccgisdata - Survey Township (Area) 2014).

  • AP2016_Area01

    This Address Point feature class contains one point for every address in Survey Township 01 (Township 42 N, Range 9 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_10

    This Address Point feature class contains one point for every address in Survey Township 10 (Township 41 N, Range 13 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_32

    This Address Point feature class contains one point for every address in Survey Township 32 (Township 35 N, Range 14 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_11

    This Address Point feature class contains one point for every address in Survey Township 11 (Township 41 N, Range 14 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_21

    This Address Point feature class contains one point for every address in Survey Township 21 (Township 38 N, Range 15 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_26

    This Address Point feature class contains one point for every address in Survey Township 26 (Township 37 N, Range 15 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_08

    This Address Point feature class contains one point for every address in Survey Township 08 (Township 41 N, Range 11 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_19

    This Address Point feature class contains one point for every address in Survey Township 19 (Township 38 N, Range 13 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_31

    This Address Point feature class contains one point for every address in Survey Township 31 (Township 35 N, Range 13 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_04

    This Address Point feature class contains one point for every address in Survey Township 04 (Township 42 N, Range 12 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_28

    This Address Point feature class contains one point for every address in Survey Township 28 (Township 36 N, Range 13 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_14

    This Address Point feature class contains one point for every address in Survey Township 14 (Township 40 N, Range 14 E; see ccgisdata - Survey Township (Area) 2014).

  • AP_AREA_03

    This Address Point feature class contains one point for every address in Survey Township 03 (Township 42 N, Range 11 E; see ccgisdata - Survey Township (Area) 2014).