-
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
Crimes - 2001 to Present
City of Chicago —
This dataset reflects reported incidents of crime (with the exception of murders where data exists for each victim) that occurred in the City of Chicago from 2001 to... -
City
Chicago Traffic Tracker - Congestion Estimates by Segments
City of Chicago —
This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. For a more detailed description, please go to... -
City
ACS 5 Year Data by Ward
City of Chicago —
Selected variables from the most recent 5 year ACS Community Survey (Released 2023) aggregated by Ward. Additional years will be added as they become available. The... -
City
Vacant and Abandoned Buildings - Violations
City of Chicago —
NOTE, 6/28/2021: There are changes and correction in this dataset. See https://data.cityofchicago.org/stories/s/Vacant-and-Abandoned-Buildings-Violations-... -
City
Parking Permit Zones
City of Chicago —
This dataset contains all those street segments (individually uniquely identified by Record ID) that have been designated as belonging to a “Residential Parking... -
City
Traffic Crashes - Vehicles
City of Chicago —
This dataset contains information about vehicles (or units as they are identified in crash reports) involved in a traffic crash. This dataset should be used in... -
City
Crimes - One year prior to present
City of Chicago —
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... -
City
Police Sentiment Scores
City of Chicago —
This dataset was used by Chicago Police Department analysts to create the publicly available “Chicago Police Sentiment Dashboard”... -
City
Open Air Chicago Individual Measurements
City of Chicago —
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... -
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
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
Traffic Crashes - People
City of Chicago —
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... -
City
Provisional Deaths Due to Respiratory Illnesses
City of Chicago —
The Chicago Department of Public Health (CDPH) receives weekly deidentified provisional death certificate data for all deaths that occur in Chicago, which can include... -
City
Chicago Traffic Tracker - Historical Congestion Estimates by Segment - 2024-Current
City of Chicago —
This dataset contains the historical estimated congestion for over 1,000 traffic segments, starting 6/11/2024 (except for a single time slice on 3/8/2024). Older... -
City
Divvy Bicycle Stations
City of Chicago —
A list of the stations where one can pick up and return bicycles from the Divvy bicycle sharing system (http://divvybikes.com/). This dataset contains all stations.... -
City
Building Violations
City of Chicago —
Violations issued by the Department of Buildings from 2006 to the present. Lenders and title companies, please note: These data are historical in nature and should... -
City
Ordinance Violations
City of Chicago —
Note: For questions related to a specific violation or code requirements, please contact the department that issued the violation notice. For questions regarding the... -
City
Street Sweeping Zones - 2025
City of Chicago —
Street sweeping zones by Ward and Ward Section Number. For the corresponding schedule, see https://data.cityofchicago.org/d/a2xx-z2ja. For more information about the... -
City
COVID-19 Vaccinations by Age and Race-Ethnicity - Historical
City of Chicago —
NOTE: This dataset has been retired and marked as historical-only. The recommended dataset to use in its place is https://data.cityofchicago.org/Health-Human-...