-
Lobbyist Data - Compensation
Lobbying-related compensation received by registered lobbyists as reported in their quarterly reports. See http://www.cityofchicago.org/city/en/depts/ethics/provdrs/lobby.html... -
Wastewater Surveillance Datasets - 3/7/2025
Improvement to wastewater surveillance datasets -
311 Service Requests - Sanitation Code Complaints - Historical
As described in https://data.cityofchicago.org/stories/s/311-Dataset-Changes-12-11-2018/d7nq-5g7t, the function of this dataset was replaced by... -
InnovationZones
The Broadband Innovation Zones are commercial and industrial corridors the City of Chicago has initially targeted for the private provision of gigabit or near-gigabit broadband... -
Elementary_Attendance_0607
Attendance boundaries for elementary schools in the Chicago Public Schools district for school year 2006-2007. Generally, all students in the applicable elementary school grades... -
Units2010_11
Locations of educational units in the Chicago Public School District for school year 2010-2011. To view or use these shapefiles, compression software, such as 7-Zip, and special... -
Performance Metrics - Public Health - Lead Inspections Performed
To combat lead poisoning through the Childhood Lead Poisoning Prevention and Healthy Homes Program, the Chicago Department of Public Health (CDPH) works to enforce city and... -
Boundaries - Landmark Districts
Landmark district boundaries in Chicago. To view or use these files, compression software and special GIS software, such as Esri ArcGIS, are required. -
Boundaries - Enterprise Zones (Deprecated October 2021)
OUTDATED. See the current data at https://data.cityofchicago.org/d/64xf-pyvh -- The Illinois Enterprise Zone Program is designed to stimulate economic growth and neighborhood... -
Warming Centers
NOTE, 11/17/2023: The columns for individual days have been removed and the data are now in the HOURS OF OPERATION column. The ADDITIONAL NOTES column was rarely used and has... -
Boundaries - Enterprise Communities (Deprecated October 2013)
OUTDATED. See the current data at https://data.cityofchicago.org/d/64xf-pyvh -- Enterprise Community boundaries in Chicago. To view or use these files, compression software and... -
streetsweeping2014v2
Street sweeping schedule by Ward and Ward sections number. For more information about the City's Street Sweeping program, go to http://bit.ly/H2PHUP. The data can be viewed on... -
Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2013-2018
This dataset contains the historical estimated congestion for the 29 traffic regions, from January 2013 to May 2018. Newer records are in... -
transportation
OUTDATED. See the current data at https://data.cityofchicago.org/d/6imu-meau --Street center lines in Chicago. The data can be viewed on the Chicago Data Portal with a web... -
Halloweek On the Block Events
Chicago Halloweek is the City of Chicago's annual campaign to connect residents to Halloween related events, activations, and resources the last week in October. Events during... -
Public Right-of-Way Use Permits - Historical
As described in http://bit.ly/cdotpermitspost, the function of this dataset was replaced by https://data.cityofchicago.org/d/pubx-yq2d on 12/7/2015. This dataset is historical-... -
Libraries - Popular Fiction Titles at the Chicago Public Library
Popular fiction titles at the Chicago Public Library, January 2014 -
PoliceDistrictDec2012
Current police district boundaries in Chicago. 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,... -
Chicago Public Schools - High School Attendance Boundaries SY2425
Attendance boundaries for high schools in the Chicago Public Schools district for school year 2024-2025. This dataset is in a format for spatial datasets that is inherently... -
Census Blocks
2000 Census block boundaries clipped to Chicago. 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...
Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.