Geographic Information Systems (GIS)

The mission of the Geographic Information Systems (GIS) program is to employ geospatial technology to cost-effectively improve the delivery of services and the quality of decision-making for the City of Chicago

 The GIS team

  • administers and operates geospatial and Global Positioning System (GPS) software products and systems
  • creates, manages and maintains over 700 geospatial data sets (tables and layers)
  • creates, manages and maintains web applications that leverage geospatial data for analysis and decision-making
  • creates, manages and maintains software services that enrich other city systems with geospatial data
  • produces digital maps of City information.

City of Chicago Maps

Chicago Interactive Map

Includess police stations, fire stations, schools, clinics and many other facilities as well as political boundaries, transit routes, street closures, TIF districts, liquor licenses and other data of general interest.

Chicago Ward, Community Area and Neighborhood Maps

Political Boundary Maps

Illinois House and Senate districts

U.S. Congressional districts

United States Census Maps

Population, housing, social and economic data from the U.S. Census Bureau.

Geospatial Data

 More than 250 data sets of GIS and geospatial data are available on Chicago’s Data Portal where they are organized under the Topic "gis":


GIS Liability Statement and Disclaimer


 Additional Information

GIS FOIA Request

Before making a FOIA (Freedom of Information Act) request, please check the data portal ( to see if the data is already available.  If not, email

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