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City
zoning_2016_01
City 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OUTDATED.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... -
City
Boundaries - Community Areas
City of Chicago —
Community area 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... -
City
Taxi Trips (2013-2023)
City of Chicago —
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... -
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
Boundaries - Tax Increment Financing Districts
City of Chicago —
Tax Increment Financing (TIF) district boundaries in Chicago. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a... -
City
Mosquito Counts
City 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... -
City
Vacant and Abandoned Buildings - Violations
City 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... -
City
CDPH Environmental Complaints
City of Chicago —
Environmental complaints received by the Department of Environment (DOE) from January 1993 to December 31, 2011 and by the Department of Public Health (CDPH) since... -
City
transportation
City 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... -
City
Fix: Employee Payroll Data (FMPS Payroll Costing) - 7/10/2025
City of Chicago —
Reload to correct some errors. -
City
CTA - System Information - Developer Tool: GTFS Data
City of Chicago —
General Transit Feed Specification (formerly "Google Transit Feed Specification") data package for CTA system, including stops, route patterns and full service schedule. -
City
Green Roofs
City 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... -
City
Respiratory Virus Wastewater Surveillance
City 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... -
City
CDPH Environmental Storage Tanks
City of Chicago —
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... -
City
Public Health Statistics - Infant mortality in Chicago, 2005–2009 - Historical
City of Chicago —
Note: This dataset is historical only and there are not corresponding datasets for more recent time periods. For that more-recent information, please visit the... -
City
Budget - 2024 Budget Recommendations - Positions and Salaries
City of Chicago —
This dataset includes recommended positions and salaries for 2024 by title (without names) and salary. The dataset is excerpted from the 2024 Budget Recommendations,... -
City
Budget - 2022 Budget Ordinance - Appropriations
City of Chicago —
The Annual Appropriation Ordinance is the final City operating budget as approved by the City Council. It reflects the City’s operating budget at the beginning of the... -
City
CTA - 'L' (Rail) Stations - KML (Deprecated February 2015)
City of Chicago —
OUTDATED, HISTORICAL VERSION -- Points representing CTA Rail Stations. To view or use these files, special GIS software, such as Google Earth, is required. (Note:... -
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... -
City
COVID-19 - Vaccinations by Region, 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-...