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City
Roadway Construction Moratoriums
City of Chicago —
Moratoriums are established by the Department of Transportation as a method of protecting reconstructed or repaved roadways within the boundaries of the city. By... -
City
Lobbyist Data - Expenditures - Hosting
City of Chicago —
Every expense made during the reporting period for the benefit of an official or employee of the City. These are different from other expenses or gifts -- other... -
City
Lobbyist Data - Contributions
City of Chicago —
Political contributions by registered lobbyists, who must report every political contribution made to any candidate for City office, any elected official of the City,... -
City
Influenza Positive Laboratory Tests by Type and Subtype
City of Chicago —
This dataset includes aggregated weekly influenza virus laboratory data that the Chicago Department of Public Health (CDPH) uses to monitor influenza activity and... -
City
Micro-Market Recovery Program - Addresses
City of Chicago —
The City of Chicago launched the Micro-Market Recovery Program (MMRP), a coordinated effort among the City, not-for-profit intermediaries, and non-profit and for-... -
City
Transportation Network Providers - Vehicles
City of Chicago —
All vehicles reported by Transportation Network Providers (sometimes called rideshare companies) to the City of Chicago as part of routine reporting required by... -
City
Micro-Market Recovery Program - Violations and Inspections
City of Chicago —
The City of Chicago launched the Micro-Market Recovery Program (MMRP), a coordinated effort among the City, not-for-profit intermediaries, and non-profit and for-... -
City
FOIA Request Log - City Clerk
City of Chicago —
FOIA requests received by the Office of the Chicago City Clerk as of May 1, 2010 -
City
FOIA Request Log - Finance
City of Chicago —
FOIA requests received by Finance, which includes Benefits Management, as of May 1, 2010 -
City
Lobbyist Data - Compensation
City of Chicago —
Lobbying-related compensation received by registered lobbyists as reported in their quarterly reports. See... -
City
CDPH Environmental Permits
City of Chicago —
Permits issued by the Department of Environment (DOE) from January 1993 to December 31, 2011 and by the Department of Public Health (CDPH) since January 1, 2012. This... -
City
Performance Metrics - Public Health - Lead Inspections Performed
City of Chicago —
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
Libraries - 2021 Visitors by Location
City of Chicago —
The Chicago Public Library consists of the Harold Washington Library Center, Sulzer, Legler and Woodson regional libraries and over 70 neighborhood branches. Chicago... -
City
Chicago Historic Resources Survey - Red and Orange Buildings - KML
City of Chicago —
The Chicago Historic Resources Survey (CHRS), completed in 1995, was a decade-long research effort by the City of Chicago to analyze the historic and architectural... -
City
Parks - KML (deprecated November 2016)
City of Chicago —
KML file of parks managed by the Chicago Park District. To view or use these files, special GIS software, such as Google Earth, is required. -
City
Public Health Statistics - Screening for elevated blood lead levels in children aged 0-6 years by year, Chicago, 1999-2013 - Historical
City of Chicago —
Note: This dataset is historical only and there are not corresponding datasets for more recent time periods. For that more-recent information, please visit the... -
City
ARPA Road to Recovery Grants Summary Report
City of Chicago —
Program-level financial information for each of the City of Chicago’s American Rescue Plan Act (ARPA) programs. As part of the City’s Road to Recovery Plan, the City... -
City
Middle_School_Attendance_0809
City of Chicago —
Attendance boundaries for middle schools in the Chicago Public Schools district for school year 2008-2009. Note: only 32 middle schools have attendance boundaries in... -
City
Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2013-2018
City of Chicago —
This dataset contains the historical estimated congestion for the 29 traffic regions, from January 2013 to May 2018. Newer records are in... -
City
Transportation Network Providers - Drivers
City of Chicago —
Note, 7/29/2025: Please see https://data.cityofchicago.org/stories/s/mpqt-6a2q for information on a data correction. All drivers reported by Transportation Network...