Datasets
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Chicago Energy Benchmarking - Covered Buildings
The full list of buildings required to comply with the Chicago Energy Benchmarking Ordinance. As of 2016, this list includes all commercial, institutional, and residential... -
FOIA Request Log - Police
FOIA requests received by the Chicago Police Department as of May 1, 2010 -
Change Notice: Business Licenses - 2/20/2025
Addition of three geographic columns. -
Wastewater Surveillance Datasets - 3/7/2025
Improvement to wastewater surveillance datasets -
Libraries - 2024 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... -
FOIA Request Log - Procurement Services
FOIA requests received by Procurement Services as of May 1, 2010 -
Boundaries - Tax Increment Financing Districts (Deprecated December 2023)
OUTDATED. See the current data at https://data.cityofchicago.org/d/eejr-xtfb -- Tax Increment Financing (TIF) district boundaries in Chicago. This dataset is in a format for... -
Change Notice: Transportation Network Provider Data Updates - 12/12/2024
Change to how Transportation Network Provider datasets are updated. -
Boundaries - Tax Increment Financing Districts (Deprecated October 2022)
OUTDATED. See the current data at https://data.cityofchicago.org/d/eejr-xtfb -- Tax Increment Financing (TIF) district boundaries in Chicago. This dataset is in a format for... -
Boundaries - Tax Increment Financing Districts (Deprecated January 2021)
OUTDATED. See the current data at https://data.cityofchicago.org/d/eejr-xtfb -- Tax Increment Financing (TIF) district boundaries in Chicago. This dataset is in a format... -
Boundaries - Tax Increment Financing Districts (Deprecated March 2018)
OUTDATED. See the current data at https://data.cityofchicago.org/d/eejr-xtfb -- Tax Increment Financing (TIF) district boundaries in Chicago. The data can be viewed on the... -
Boundaries - Tax Increment Financing Districts (Deprecated April 2023)
OUTDATED. See the current data at https://data.cityofchicago.org/d/eejr-xtfb -- Tax Increment Financing (TIF) district boundaries in Chicago. This dataset is in a format for... -
Chicago Energy Benchmarking
The Chicago Building Energy Use Benchmarking Ordinance calls on existing municipal, commercial, and residential buildings larger than 50,000 square feet to track whole-building... -
Census Data - Languages spoken in Chicago, 2008 – 2012
This dataset contains estimates of the number of residents aged 5 years or older in Chicago who “speak English less than very well,” by the non-English language spoken at home... -
Chicago Population Counts
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 from the... -
Population by 2010 Census Block
Population estimates by the U.S. Census Bureau by U.S. Census Block. -
Libraries - 2024 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 - 2024 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,... -
Libraries - 2024 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...