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City
Traffic Crashes - Crashes
City of Chicago —
Crash data shows information about each traffic crash on city streets within the City of Chicago limits and under the jurisdiction of Chicago Police Department (CPD).... -
City
Building Permits
City of Chicago —
This dataset includes information about building permits issued by the City of Chicago from 2006 to the present, excluding permits that have been voided or revoked... -
City
Divvy Bicycle Stations - Historical
City of Chicago —
Historical availability of bicycles and docks to return bicycles at the Divvy stations (http://divvybikes.com/). For the current list of stations, see... -
City
Socioeconomically Disadvantaged Areas
City of Chicago —
Areas of Chicago, based on census tracts, that are the most socioeconomically disadvantaged, for the purpose of promoting equitable hiring within areas of economic... -
City
Taxi Trips (2024-)
City of Chicago —
Taxi trips, starting January 2024, reported to the City of Chicago in its role as a regulatory agency. To protect privacy but allow for aggregate analyses, the Taxi... -
City
Chicago Police Department - Illinois Uniform Crime Reporting (IUCR) Codes
City of Chicago —
Illinois Uniform Crime Reporting (IUCR) codes are four digit codes that law enforcement agencies use to classify criminal incidents when taking individual reports.... -
City
Employee Payroll Data (FMPS Payroll Costing)
City of Chicago —
Note, 7/10/2025: Please see this article for information on a change to the EMPLOYEE DATASET ID column and this article for information on a data correction. Welcome... -
City
Census_Tracts
City of Chicago —
Census tract 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,... -
City
Affordable Rental Housing Developments
City of Chicago —
The rental housing developments listed below are among the thousands of affordable units that are supported by City of Chicago programs to maintain affordability in... -
City
House Share Prohibited Buildings List
City of Chicago —
A list of buildings excluded from short-term rental activity under the Shared Housing Ordinance. See... -
City
Active Shared Housing Registrations
City of Chicago —
Note, 8/1/2025: We have added five columns to this dataset. Registration data for shared housing units that are regulated by the Shared Housing Ordinance. For... -
City
311 Service Requests - Abandoned Vehicles - Historical
City of Chicago —
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... -
City
Chicago Public Schools - School Profile Information SY2425
City of Chicago —
School profile information for all schools in the Chicago Public School district for the school year 2024-2025. * Data set is no longer being updated when data set... -
City
CDPH Mental Health Resources - Historical
City of Chicago —
NOTE: This dataset is no longer being updated but is being kept for historical reference. Comprehensive information about the Chicago Department of Public Health... -
City
Performance Metrics - Transportation - Pothole Repair
City of Chicago —
When moisture seeps into pavement, it expands when it freezes and contracts when it thaws. This flexing of the pavement, combined with the melted water and the stress... -
City
Traffic Crashes - Vision Zero Chicago Traffic Fatalities
City of Chicago —
Traffic fatalities within the City of Chicago that are included in Vision Zero Chicago (VZC) statistics. Vision Zero is Chicago’s commitment to eliminating fatalities... -
City
Business Licenses
City of Chicago —
NOTE, 9/25/2025 - We have populated the Address column for additional records. Business licenses issued by the Department of Business Affairs and Consumer Protection... -
City
Mid-Year Grants 925
City of Chicago —
In accordance with MCC 2-4-055, the Office of Budget and Management releases a Mid-Year Budget Report, which provides information on the City’s financial information... -
City
Boundaries - Ward Precincts (2023-)
City of Chicago —
Ward precincts, which function as local election districts to determine the polling places for voters, based on their addresses. Precincts are based on U.S. Census...