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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
Food Inspections
City of Chicago —
This information is derived from inspections of restaurants and other food establishments in Chicago from January 1, 2010 to the present. Inspections are performed by... -
City
Violence Reduction - Victims of Homicides and Non-Fatal Shootings
City of Chicago —
This dataset contains individual-level homicide and non-fatal shooting victimizations, including homicide data from 1991 to the present, and non-fatal shooting data... -
City
Violence Reduction - Victim Demographics - Aggregated
City of Chicago —
This dataset contains aggregate data on violent index victimizations at the quarter level of each year (i.e., January – March, April – June, July – September, October... -
City
CTA - Ridership - Daily Boarding Totals
City of Chicago —
This dataset shows systemwide boardings for both bus and rail services provided by CTA, dating back to 2001. Daytypes are as follows: W = Weekday, A = Saturday, U =... -
City
Chicago Energy Benchmarking
City of Chicago —
The Chicago Building Energy Use Benchmarking Ordinance calls on existing municipal, commercial, and residential buildings larger than 50,000 square feet to track... -
City
Chicago Population Counts
City 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... -
City
Beach Weather Stations - Automated Sensors
City of Chicago —
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements... -
City
Inpatient, Emergency Department, and Outpatient Visits for Respiratory Illnesses
City of Chicago —
This dataset includes aggregated weekly data on the percent of emergency department visits and the percent of hospital inpatient admissions due to influenza-like... -
City
311 Service Requests
City of Chicago —
311 Service Requests received by the City of Chicago. This dataset includes requests created after the launch of the new 311 system on 12/18/2018 and some records... -
City
Beach Water Quality - Automated Sensors
City of Chicago —
The Chicago Park District maintains sensors in the water at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated... -
City
Lobbyist Data - Clients
City of Chicago —
Clients represented by registered lobbyists as reported in their Lobbyist Statements of Registration. Due to requirements for lobbyists to re-register and the... -
City
Chicago Park District - Event Permits
City of Chicago —
This Chicago Park District dataset includes information about event permits requested through the Chicago Park District, including the name of applicant, the name of... -
City
Libraries - 2025 Visitors by Location
City 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... -
City
Building Permits
City of Chicago —
This dataset includes information about building permits issued by the City of Chicago from 2006 to the present, excluding permits that have been voided or revoked... -
City
Enterprise_Zones
City of Chicago —
The Illinois Enterprise Zone Program is designed to stimulate economic growth and neighborhood revitalization in economically depressed areas of the state. For more... -
City
COVID-19 Daily Rolling Average Case, Death, and Hospitalization Rates - Historical
City of Chicago —
NOTE: This dataset has been retired and marked as historical-only. This dataset is a companion to the COVID-19 Daily Cases and Deaths dataset... -
City
311 Service Requests - Pot Holes Reported - 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
Population by 2010 Census Block
City of Chicago —
Population estimates by the U.S. Census Bureau by U.S. Census Block.