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Change Notice: New Columns in House Share Registrations - 8/1/2025
Added five new columns. Renamed to Active Shared Housing Registrations. -
Performance Metrics - Business Affairs & Consumer Protection - Business Licenses
Business licenses and building permits are required to operate a business in Chicago or to ensure that a building construction project conforms to the minimum standards of the... -
Chicago COVID-19 Community Vulnerability Index (CCVI)
The Chicago CCVI identifies communities that have been disproportionately affected by COVID-19 and are vulnerable to barriers to COVID-19 vaccine uptake. Vulnerability is... -
Array of Things Locations
Locations of Array of Things sensor nodes. For more information on the Array of Things project, see https://arrayofthings.github.io. -
Energy Usage 2010
Displays several units of energy consumption for households, businesses, and industries in the City of Chicago during 2010. Electric The data was aggregated from ComEd and... -
Public Chauffeurs
List of City of Chicago licensed Public Chauffeurs, who may operate a licensed Taxicab, Livery, or Pedicab. Horse-Drawn Carriage license historical records appear; but are no... -
Data Portal FAQ
Answers to frequently asked questions about the City of Chicago Data Portal. -
CTA - 'L' (Rail) Stations
Points representing the locations of CTA rail stations. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a derived view.... -
Sidewalk Cafe Permits
A list of permits for sidewalk cafes -- outdoor restaurant seating on the public way. Businesses may begin sidewalk cafe operations on March 1 and operate through December 1.... -
Chicago Traffic Tracker - Congestion Estimates by Regions
This dataset contains the current estimated congestion for the 29 traffic regions. For a detailed description, please go to https://tas.chicago.gov, click the About button at... -
Performance Metrics - 311 Call Center
To make 311 effective for residents, visitors, and business owners, 311 representatives must respond to calls in a timely and accurate manner. -
Grocery Store Status - Historical
This dataset is no longer being updated but is being kept for historical reference.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 dataset will... -
Average Daily Traffic Counts - 2006
This dataset is historical. For recent data, we recommend using https://chicagotraffictracker.com. -- Average Daily Traffic (ADT) counts are analogous to a census count of... -
Taxi Medallion Transfers
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 change in... -
CTA - Ridership - 'L' Station Entries - Daily Totals
This list shows daily totals of ridership, by station entry, for each 'L' station dating back to 2001. Dataset shows entries at all turnstiles, combined, for each station.... -
Chicago Public Schools - School Profile Information SY2324
School profile information for all schools in the Chicago Public School district for the school year 2023-2024. * Data set is no longer being updated when data set for next year... -
Beach Water Quality - Automated Sensors
The Chicago Park District maintains sensors in the water at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly... -
Census_Tracts
Census tract boundaries 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 will... -
311 Service Requests - Graffiti Removal - 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... -
Beach Lab Data
The Chicago Park District collects and analyzes water samples from beaches along Chicago’s Lake Michigan lakefront. The Chicago Park District partners with the University of...
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