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Finding and Using GIS Data

The AGS Library's Guide to Finding GIS data and working with it for your specific project needs

Chicago Data Portal

Chicago Data Portal details

City of Chicago Data Portal


About: The City of Chicago's open data portal lets you find city data, lets you find facts about your neighborhood, lets you create maps and graphs about the city, and lets you freely download the data for your own analysis. Many of these datasets are updated at least once a day, and many of them are updated several times a day. The open data portal is required under an executive order signed by Mayor Rahm Emanuel on December 10, 2012.

Data Available: Depending on data type, data is available for download as .SHP, .KML, .TIF, and others.

Topics Include: Administration & Finance, Buildings, Community, Education, Environment, Ethics, Events, FOIA, Facilities & Geographic Boundaries, Health & Human Services, Historic Preservation, Parks & Recreation, Public Safety, Sanitation, Service Requests, Transportation

Chicago Data Portal general instructions

How to get GIS Data

1. Navigate to the data portal

2. Search or browse for a dataset by category

3. Use the filters in the left hand column to specify data type

4. Each dataset is unique in the interface used for viewing and downloading the data, look for 'Download' and 'Export' buttons to download data


The Contents of Finding and Using GIS Data may be reused with attribution for Non-Commercial purposes.

Finding and Using GIS Data by Board of Regents of the University of Wisconsin System is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License