Datasets
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Change Notice: COVID-19 Vaccination Column Updates - 2/13/2026
Upcoming change to the Respiratory Virus Wastewater Surveillance Dataset. -
Libraries - 2025 Circulation by Location
Circulation figures include new checkouts, renewals, downloadable media, Talking Book and Braille downloadable materials. Chicago Public Library consists of the Harold... -
Libraries - 2025 Holds Placed by Location
Patrons may place holds on desired materials either online or by contacting any CPL location. Chicago Public Library consists of the Harold Washington Library Center, Sulzer,... -
Libraries - 2025 Computer Sessions by Location
The Chicago Public Library offers one-hour computer sessions and 15-minute computer sessions. Chicago Public Library consists of the Harold Washington Library Center, Sulzer,... -
Individual Landmarks
Individual landmarks 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 the... -
Libraries - 2025 Wi Fi Usage
The Chicago Public Library offers free WiFi at all locations. Chicago Public Library consists of the Harold Washington Library Center, Sulzer, Legler and Woodson regional... -
ARPA Road to Recovery Program Details
Program information for each of the City of Chicago’s American Rescue Plan Act (ARPA) programs. As part of the City’s Road to Recovery Plan, the City has allocated its funding... -
Data Portal FAQ
Answers to frequently asked questions about the City of Chicago Data Portal. -
Boundaries - Tax Increment Financing Districts
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 derived view.... -
ARPA Road to Recovery Grants Summary Report
Program-level financial information for each of the City of Chicago’s American Rescue Plan Act (ARPA) programs. As part of the City’s Road to Recovery Plan, the City has... -
ARPA Road to Recovery Expenditure Report
Program-level expenditure information for each of the City of Chicago’s American Rescue Plan Act (ARPA) programs. As part of the City’s Road to Recovery Plan, the City has... -
Boundaries - Inactive Tax Increment Financing Districts
Inactive 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... -
Libraries - 2025 Visitors by Location
The Chicago Public Library consists of the Harold Washington Library Center, Sulzer, Legler and Woodson regional libraries and over 70 neighborhood branches. Chicago Public... -
Libraries - 2025 Holds Filled by Location
This data is for materials pulled to fulfill patron holds. Chicago Public Library consists of the Harold Washington Library Center, Sulzer, Legler and Woodson regional libraries... -
Contractor Business Diversity Program Submissions
Under Executive Order 2021-2, many City of Chicago contractors are required to submit annual reports on their Business Diversity Programs (BDPs), if any. This dataset lists... -
Change Notice: New Columns in West Nile Virus Tests Dataset - 1/14/2026
New columns in the West Nile Virus Test Results dataset. -
Special Events
Upcoming events in Chicago. This dataset is used by the Office of Emergency Management and Communications and other City of Chicago departments and primarily focuses on those... -
Budget - 2026 Budget Ordinance - Positions and Salaries
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 fiscal... -
Budget - 2026 Budget Ordinance - Revenue
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 fiscal... -
Budget - 2026 Budget Ordinance - Appropriations
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 fiscal...