Datasets
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311 Service Requests - Street Lights - All Out - 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... -
CDPH Environmental Enforcement
Municipal and State code violation notices issued by the Department of Environment (DOE) from January, 1993 to December 31, 2012 and by the Department of Public Health (CDPH)... -
Towed Vehicles
This dataset displays location for vehicles that have been towed and impounded by the City of Chicago within the last 90 days. Illegally parked vehicles, abandoned vehicles and... -
Health Alert Network Alerts
Public alerts for the Chicago Department of Public Health's (CDPH) Health Alert Network (HAN). The HAN provides CDPH with the capacity for quick, efficient, reliable, and secure... -
Building Permits
Note, 10/15/2025: We have added a PERMIT_CONDITION column. This dataset includes information about building permits issued by the City of Chicago from 2006 to the present,... -
Current Employee Names, Salaries, and Position Titles
This dataset is a listing of all active City of Chicago employees, complete with full names, departments, positions, employment status (part-time or full-time), frequency of... -
Open Air Chicago Individual Measurements
Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5 and NO2. Six... -
Crimes - One year prior to present
This dataset reflects reported incidents of crime (with the exception of murders where data exists for each victim) that have occurred in the City of Chicago over the past year,... -
Taxi Trips (2013-2023)
This dataset ends with 2023. Please see the Featured Content link below for the dataset that starts in 2024. Taxi trips from 2013 to 2023 reported to the City of Chicago in its... -
Potholes Patched
Potholes patched. For the previous seven days in map form, see https://data.cityofchicago.org/d/caad-5j9e. -
My CHI. My Future. Programs
My CHI. My Future. is a citywide initiative to connect all youth and teens to out-of-school programs. Using this dataset, the associated map, or the MCMF site... -
Chicago Public Library Events
Events hosted by the Chicago Public Library. Only events that have not yet occurred are shown. -
Sex Offenders
Description: Pursuant to the Sex Offender and Child Murderer Community Notification Law, 730 ILCS 152/101,et seq., the Chicago Police Department maintains a list of sex... -
311 Service Requests
311 Service Requests received by the City of Chicago. This dataset includes requests created after the launch of the new 311 system on 12/18/2018 and some records from the... -
CDPH Environmental Storage Tanks
Note: This dataset is no longer being updated. As of 2020, Aboveground Storage Tank data is captured in the CDPH Environmental Permits dataset and Underground Storage Tank data... -
Traffic Crashes - People
This data contains information about people involved in a crash and if any injuries were sustained. This dataset should be used in combination with the traffic Crash and Vehicle... -
Chicago Park District Activities
Events and programs hosted by the Chicago Park District. Only activities that have not yet ended are shown. -
Red Light Camera Locations
This dataset shows the location, first operational date, and approaches of the red light cameras in the City of Chicago. The approach describes the originating direction of... -
BIA Cases - By Involved Officer
Complaints received by the Chicago Police Department Bureau of Internal Affairs (BIA). BIA investigates complaints of police misconduct that do not fall under the jurisdiction... -
CTA - Ridership - 'L' Station Entries - Monthly Day-Type Averages & Totals
This dataset lists monthly station entry averages, by day type (Weekday, Saturday or Sunday/Holiday), as well as monthly totals, beginning in 2001. Note that some stations (such...