Geographic Information Systems

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 500 layers of geospatial data sets
  • creates, manages and maintains web applications that utilize 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


Interactive Maps

This interactive map of Chicago displays 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 Interactive Map

Downloadable Maps

These maps can be viewed and downloaded in PDF format.

City of Chicago Neighborhoods

 Citywide Maps

These include Ward and Community Area maps.

Political Boundary Maps

 Political Boundary Maps

These include Illinois House and Senate districts and U.S. Congressional districts.

US Census Bureau


United States Census Maps

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

Geospatial Data


GIS Layers

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 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

 I Want To