Datasets
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Speed Camera Violations
This dataset reflects the daily volume of violations that have occurred in Children's Safety Zones for each camera. The data reflects violations that occurred from July 1, 2014... -
Violence Reduction - Victims of Homicides and Non-Fatal Shootings
This dataset contains individual-level homicide and non-fatal shooting victimizations, including homicide data from 1991 to the present, and non-fatal shooting data from 2010 to... -
Micro-Market Recovery Program - Cases
The City of Chicago launched the Micro-Market Recovery Program (MMRP), a coordinated effort among the City, not-for-profit intermediaries, and non-profit and for-profit capital... -
Violence Reduction - Victim Demographics - Aggregated
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 –... -
Lobbyist Data - Clients
Clients represented by registered lobbyists as reported in their Lobbyist Statements of Registration. Due to requirements for lobbyists to re-register and the importance of... -
Employee Reimbursements
This information is derived from payments made to City of Chicago employees from January 1 of the previous calendar year to the present. Payments are initiated by City... -
CDPH Environmental Complaints
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 January 1,... -
Delayed Street Sweeping Zones Dataset - 3/31/2026 - Resolved
The 2026 street sweeping zones dataset was delayed. -
Alternative Fuel Locations
List of locations in NE Illinois, NW Indiana, and SE Wisconsin where alternative vehicle fuels are available. For a Chicago-only filtered view, see... -
Business Owners
This dataset contains the owner information for all the accounts listed in the Business License Dataset, and is sorted by Account Number. To identify the owner of a business,... -
Lobbyist Data - Expenditures - Small
Expenditures under $250 per transaction, summarized per three-month reporting period. Larger expenditures are itemized in https://data.cityofchicago.org/d/xika-473c. See... -
Lobbyist Data - Compensation
Lobbying-related compensation received by registered lobbyists as reported in their quarterly reports. See http://www.cityofchicago.org/city/en/depts/ethics/provdrs/lobby.html... -
Lobbyist Data - Employers
Employers of registered lobbyists as reported in the Lobbyist Statement of Registration. Due to requirements for lobbyists to re-register, the importance of showing year for... -
Open Air Chicago Hour Aggregations
Sensors deployed throughout the City by Open Air Chicago measuring fine particulate matter 2.5 (PM2.5) and nitrogen dioxide (NO2). All sensors collect data on PM2.5 and NO2. Six... -
Influenza Vaccination Coverage, Region (HCEZ)
Chicago residents who are up to date with influenza vaccines by Healthy Chicago Equity Zone (HCEZ), based on the reported address, race-ethnicity, and age group of the person... -
Dig Ticket Notifications
In order to help contractors and private residents avoid existing utility lines (including gas, electrical, and water lines) when digging, the Chicago Department of... -
Micro-Market Recovery Program - Addresses
The City of Chicago launched the Micro-Market Recovery Program (MMRP), a coordinated effort among the City, not-for-profit intermediaries, and non-profit and for-profit capital... -
Influenza Positive Laboratory Tests by Type and Subtype
This dataset includes aggregated weekly influenza virus laboratory data that the Chicago Department of Public Health (CDPH) uses to monitor influenza activity and assess which...