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City
Census Blocks
City of Chicago —
2000 Census block boundaries clipped to 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... -
City
Performance Metrics - Business Affairs & Consumer Protection - Business Licenses
City of Chicago —
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... -
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
High_School_Attendance_0910
City of Chicago —
Attendance boundaries for high schools in the Chicago Public Schools district for school year 2009-2010. Generally, all students in the applicable high school grades... -
City
Performance Metrics - Public Health - Immunization Program - Monthly Vaccine Distribution
City of Chicago —
Vaccines have been touted as one of the 10 great public health achievements of the last decade. Currently, 18 diseases can be prevented by vaccines. The current... -
City
Emergency Temporary Shelters - Intake From Landing Zone
City of Chicago —
Under SO2024-0008386, passed by City Council on 4/17/2024, the Department of Family and Support Services publishes data on the City-operated and City-funded emergency... -
City
Libraries - 2025 Computer Sessions by Location
City of Chicago —
The Chicago Public Library offers one-hour computer sessions and 15-minute computer sessions. Chicago Public Library consists of the Harold Washington Library Center,... -
City
Public Health Department Events
City of Chicago —
List of public events sponsored or supported by the Chicago Department of Public Health. -
City
811 Chicago Utility Hit Tickets
City of Chicago —
Chicago Department of Transportation (CDOT), Division of Infrastructure Management (DIM), operates Chicago’s “One Call” service—known as “811 Chicago.” Per Municipal... -
City
Lobbyist Data - Expenditures - Hosting
City of Chicago —
Every expense made during the reporting period for the benefit of an official or employee of the City. These are different from other expenses or gifts -- other... -
City
Influenza Positive Laboratory Tests by Type and Subtype
City of Chicago —
This dataset includes aggregated weekly influenza virus laboratory data that the Chicago Department of Public Health (CDPH) uses to monitor influenza activity and... -
City
Transportation Network Providers - Vehicles
City of Chicago —
All vehicles reported by Transportation Network Providers (sometimes called rideshare companies) to the City of Chicago as part of routine reporting required by... -
City
Micro-Market Recovery Program - Violations and Inspections
City of Chicago —
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-... -
City
Middle_School_Attendance_0809
City of Chicago —
Attendance boundaries for middle schools in the Chicago Public Schools district for school year 2008-2009. Note: only 32 middle schools have attendance boundaries in... -
City
Chicago Traffic Tracker - Historical Congestion Estimates by Region - 2013-2018
City of Chicago —
This dataset contains the historical estimated congestion for the 29 traffic regions, from January 2013 to May 2018. Newer records are in... -
City
Transportation Network Providers - Drivers
City of Chicago —
Note, 7/29/2025: Please see https://data.cityofchicago.org/stories/s/mpqt-6a2q for information on a data correction. All drivers reported by Transportation Network... -
City
Chicago Public Schools - High School Attendance Boundaries SY1920
City of Chicago —
Attendance boundaries for high schools in the Chicago Public Schools district for school year 2019-2020. Generally, all students in the applicable high school grades... -
City
Libraries - 2021 Computer Sessions by Location
City of Chicago —
The Chicago Public Library offers one-hour computer sessions and 15-minute computer sessions. Chicago Public Library consists of the Harold Washington Library Center,... -
City
Libraries - 2013 Computer Sessions by Location
City of Chicago —
The Chicago Public Library offers one-hour computer sessions and 15-minute computer sessions. The Chicago Public Library consists of the Harold Washington Library... -
City
Budget - 2011 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...