List of alderman, office address, phone number, and website for all 50 Chicago wards.

Map of the ward boundaries in Chicago from May 2023 onward.

List of alderman, office address, phone number, and website for all 50 Chicago wards.

Ward boundaries in Chicago from May 2023 onward, corresponding to the dates when a new City Council is sworn in, based on the immediately preceding elections. Neither this description nor the dataset should be relied upon in situations where legal precision is required.

​​​​​This dataset is in a forma​​t for spatial datasets that is inherently tabular but allows for a map as a derived view. Please click the indicated link below for such a map.

To export the data in either tabular or geographic format, please use the Export button on this dataset.

As discussed in http://bit.ly/wardpost, the City of Chicago changed to a new ward map on 5/18/2015, affecting some datasets. This ZIP file contains a CSV export from 5/15/2015 of the "Crimes - 2001 to present" dataset. Due to size limitations, this file had to be separated from the CSV exports of the other datasets, which are at https://data.cityofchicago.org/d/q6z8-94kn. This CSV file contains a close-to-final version of the crimes dataset with the previous ("2003") ward values.

Ward office locations for aldermen. The data can be viewed on the Chicago Data Portal with a web browser. However, to view or use the files outside of a web browser, you will need to use compression software and special GIS software, such as ESRI ArcGIS (shapefile) or Google Earth (KML or KMZ).

As discussed in http://bit.ly/wardpost, the City of Chicago changed to a new ward map on 5/18/2015, affecting some datasets. This ZIP file contains CSV exports from 5/15/2015 of all datasets except Crimes - 2001 to present. Due to size limitations, that CSV is at https://data.cityofchicago.org/d/5wdx-rdkp. These CSV files contain the final or close-to-final versions of the datasets with the previous ("2003") ward values.

OUTDATED. See the current data at https://data.cityofchicago.org/d/htai-wnw4 -- List of alderman, office address, phone number, and website for all 50 Chicago wards. This version of the data was posted 7/2/2013 and stayed live until 7/16/2015, when it was replaced with the list of aldermen inaugurated 5/18/2015, after allowing time for most office space arrangements to be finalized.