What We Do

Geographic Information Systems

The Geographic Information Systems (GIS) program area’s mission is to use geography-based technology to cost-effectively:

  1. Improve the quality of decision-making and
  2. Improve the delivery of services for the City of Chicago

 The GIS team

  • administers and operates GIS and Global Positioning System (GPS) software technology
  • maintains and manages 300+ layers of geospatial data sets
  • creates and maintains web applications that leverage geospatial data for analysis and decision-making
  • adds geospatial location attributes to City data
  • produces digital maps of City information.


GIS Resources: City of Chicago Maps

Interactive Maps: MapChicago

This interactive map of Chicago displays police stations, fire stations, schools, clinics and many other facilities. It also includes transit routes, political boundaries, street closures, TIF districts, liquor licenses and other data of general interest.


Downloadable Maps

The following maps can be viewed online and downloaded in PDF format.


City of Chicago Neighborhoods

Citywide Maps

These Chicago maps include Neighborhoods, Wards and Community Areas.

Political Boundary Maps

Political Boundary Maps

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

US Census Bureau

United States Census Maps

  These Chicago maps have various population, housing, social and economic data from the U.S. Census Bureau.

  GIS Resources: GIS and Geospatial Data


GIS Layers

More than 250 data sets with GIS and Geospatial data are available on the Chicago’s Data Portal: http://data.cityofchicago.org, where they are organized under the Topic “gis”.

Gis Liability Disclaimer

Supporting Information

City Data

Department Main Office

Innovation and Technology

Related Links

Email feedback to:


GIS Request

For feedback on this website or general GIS questions email



GIS FOIA Request

Before making a FOIA (Freedom of Information Act) request, please check the data portal (https://data.cityofchicago.org/) to see if the data has already been made public.  If not, email