- 
  
    CityTraffic Crashes - CrashesCity 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)....
- 
  
    CityChicago Traffic Tracker - Congestion Estimates by SegmentsCity 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...
- 
  
    CitySex OffendersCity of Chicago — 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...
- 
  
    CityCrimes - One year prior to presentCity 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...
- 
  
    CityChicago Traffic Tracker - Historical Congestion Estimates by Segment - 2024-CurrentCity 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...
- 
  
    CityPolice Sentiment ScoresCity of Chicago — This dataset was used by Chicago Police Department analysts to create the publicly available “Chicago Police Sentiment Dashboard”...
- 
  
    CityTowed VehiclesCity of Chicago — 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...
- 
  
    CityBuilding ViolationsCity 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...
- 
  
    CityTraffic Crashes - VehiclesCity 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...
- 
  
    CityCTA-L-Rail-Stations-ShapefileCity of Chicago — Point data representing location of CTA Rail Station. To view or use these files, compression software and special GIS software, such as ESRI ArcGIS is required....
- 
  
    CityBudget - 2026 Budget Recommendations - RevenueCity of Chicago — This dataset contains the revenue detail portion of the 2026 Budget Recommendations for Local funds. “Local” funds are all funds, other than grant funds, used by the...
- 
  
    CityACS 5 Year Data by WardCity 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...
- 
  
    CityLandmark DistrictsCity of Chicago — This dataset is a list of Chicago Landmark Districts designated by City Council upon recommendation of the Commission on Chicago Landmarks. It contains the name of...
- 
  
    CityTraffic Crashes - PeopleCity 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...
- 
  
    CityCensus Data - Selected socioeconomic indicators in Chicago, 2008 – 2012City of Chicago — This dataset contains a selection of six socioeconomic indicators of public health significance and a “hardship index,” by Chicago community area, for the years 2008...
- 
  
    CityVacant and Abandoned Buildings - ViolationsCity of Chicago — NOTE, 6/28/2021: There are changes and correction in this dataset. See http://dev.cityofchicago.org/open%20data/data%20portal/2021/06/28/vacant-abandoned.html for...
- 
  
    CityInfluenza Risk Level by ZIP CodeCity of Chicago — This dataset contains the weekly estimated influenza risk level for each ZIP Code in Chicago. Estimates are made during flu season, which goes from MMWR week 40 to...
- 
  
    CityChicago Public Schools - Elementary School Attendance Boundaries SY2526City of Chicago — Attendance boundaries for elementary schools in the Chicago Public Schools district for school year 2025-2026. Generally, all students in the applicable elementary...
- 
  
    CityAverage Daily Traffic Counts - 2006City of Chicago — This dataset is historical. For recent data, we recommend using https://chicagotraffictracker.com. -- Average Daily Traffic (ADT) counts are analogous to a census...
- 
  
    CityCooling CentersCity of Chicago — Cooling Centers offer residents air-conditioned refuge from oppressive summer heat. The Chicago Department of Family and Support Services operates Cooling Centers...
