- 
  
    Cityzoning_2016_01City of Chicago — OUTDATED. See the current data at https://data.cityofchicago.org/d/7cve-jgbp -- Zoning district boundaries by type and classification.Chicago is divided into zoning...
- 
  
    CityCurrent Employee Names, Salaries, and Position TitlesCity of Chicago — 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),...
- 
  
    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 Population CountsCity of Chicago — Population totals for groupings commonly used in other datasets. Not all values are available for all years. Note that because the "Citywide" rows roll up the values...
- 
  
    CityBeach Weather Stations - Automated SensorsCity of Chicago — The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements...
- 
  
    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...
- 
  
    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...
- 
  
    CityMosquito CountsCity of Chicago — Counts of mosquitoes by year, week, and species collected by the Chicago Department of Public Health (CDPH) Environmental Health program. CDPH maintains an...
- 
  
    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...
- 
  
    CityGrocery Store Status - HistoricalCity of Chicago — This dataset is no longer being updated but is being kept for historical reference. A list of grocery stores in Chicago and last known status (open or closed). This...
- 
  
    CitytransportationCity of Chicago — Street center lines 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, you...
- 
  
    CityBoundaries - ZIP CodesCity of Chicago — ZIP Code boundaries in Chicago. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a derived view. Please click the...
- 
  
    CityLibraries - 2025 Visitors by LocationCity 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...
- 
  
    CityCTA - 'L' (Rail) LinesCity of Chicago — Lines representing approximately where the CTA rail lines are. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a...
- 
  
    CityEmployee Overtime and Supplemental Earnings 2022City of Chicago — Starting with 2023 data, this series of annual datasets has been replaced with the Employee Payroll Data (FMPS Payroll Costing) dataset. Employee overtime and...
- 
  
    CityTaxi Medallion TransfersCity of Chicago — Operation of a taxi cab in Chicago requires a City-issued medallion. These medallions may be sold on the open market, with the City of Chicago recording the sale and...
- 
  
    CityGreen RoofsCity of Chicago — This dataset and corresponding map provide the location, satellite images and square footage of existing green roofs within the City of Chicago. This information is...
- 
  
    CityCOVID-19 Vaccination Coverage, CitywideCity of Chicago — NOTE: This dataset replaces two previous ones. Please see below. Chicago residents who are up to date with COVID-19 vaccines, based on the reported address, race-...
- 
  
    CityRespiratory Virus Wastewater SurveillanceCity of Chicago — Concentrations of respiratory viruses in the Chicago sewer system as measured at seven sewershed sites since February 2022. In addition to SARS-CoV-2 (the virus that...
