City of Chicago
Organization Overview
- Type: City Government
- Total datasets: 1013
Datasets (1013)
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BIA Cases - By Involved Officer Views: 43
Complaints received by the Chicago Police Department Bureau of Internal Affairs (BIA). BIA investigates complaints of police misconduct that do not fall under the jurisdiction of the Civilian Office of Police Accountability (COPA). Types of misconduct investigated by BIA include the following (not…
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Towed Vehicles Views: 43
This dataset displays location for vehicles that have been towed and impounded by the City of Chicago within the last 90 days. Illegally parked vehicles, abandoned vehicles and vehicles used for illegal activities may be towed by the Chicago Police Department, the Department of Streets and…
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Chicago Traffic Tracker - Historical Congestion Estimates by Segment - 2024-Current Views: 42
This dataset contains the historical estimated congestion for over 1,000 traffic segments, starting 6/11/2024 (except for a single time slice on 3/8/2024). Older records are in https://data.cityofchicago.org/d/sxs8-h27x. The most recent estimates for each segment are in…
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Chicago Police Department - Illinois Uniform Crime Reporting (IUCR) Codes Views: 39
Illinois Uniform Crime Reporting (IUCR) codes are four digit codes that law enforcement agencies use to classify criminal incidents when taking individual reports. These codes are also used to aggregate types of cases for statistical purposes. In Illinois, the Illinois State Police establish IUCR…
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National Register of Historic Places - KML Views: 39
This dataset includes buildings and districts in Chicago which are listed on the National Register of Historic Places (NRHP) or designated as National Historic Landmarks (NHL). The NRHP is the official list of the Nation's historic places worthy of preservation; NHLs are nationally…
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Speed Camera Violations Views: 38
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 until present, minus the most recent 14 days. This data may change due to occasional time lags between the capturing of a…
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Employee Payroll Data (FMPS Payroll Costing) Views: 37
<b>Note, 7/10/2025:</b> Please see <a href="https://data.cityofchicago.org/stories/s/9xt4-tpk3" target="_blank">this article</a> for information on a change to the EMPLOYEE DATASET ID column and <a href="https://data.cityofchicago.org/stories/s/gysr-yw27" target="_blank">this article</a> for…
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Traffic Crashes - Vehicles Views: 37
This dataset contains information about vehicles (or units as they are identified in crash reports) involved in a traffic crash. This dataset should be used in conjunction with the traffic Crash and People dataset available in the portal. “Vehicle” information includes motor vehicle and non-motor…
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CTA - Ridership - Bus Routes - Monthly Day-Type Averages & Totals Views: 36
This dataset shows monthly averages, by day type (weekday, Saturday or Sunday/Holiday) and monthly totals for all CTA bus routes, back to 2001. See attached readme file for information on how these numbers are calculated.
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Business Licenses Views: 34
NOTE, 9/25/2025 - We have populated the Address column for <a href="https://data.cityofchicago.org/stories/s/pnmi-a3z5" target="_blank">additional records</a>. Business licenses issued by the Department of Business Affairs and Consumer Protection in the City of Chicago from 2002 to the present.…
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Socioeconomically Disadvantaged Areas Views: 34
Areas of Chicago, based on census tracts, that are the most socioeconomically disadvantaged, for the purpose of promoting equitable hiring within areas of economic need. Qualifying areas were identified using three criteria, based on data from the 2014 American Community Survey: household income,…
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Inpatient, Emergency Department, and Outpatient Visits for Respiratory Illnesses Views: 32
This dataset includes aggregated weekly data on the percent of emergency department visits and the percent of hospital inpatient admissions due to influenza-like illness (ILI), COVID-19, influenza, RSV, and acute respiratory illness. The Illinois Department of Public Health (IDPH) collects data…
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Traffic Crashes - People Views: 32
This data contains information about people involved in a crash and if any injuries were sustained. This dataset should be used in combination with the traffic Crash and Vehicle dataset. Each record corresponds to an occupant in a vehicle listed in the Crash dataset. Some people involved in a…
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Chicago Public Schools - Progress Report Cards (2011-2012) Views: 31
This dataset shows all school level performance data used to create CPS School Report Cards for the 2011-2012 school year. Metrics are described as follows (also available for download at http://bit.ly/uhbzah): NDA indicates "No Data Available." SAFETY ICON: Student Perception/Safety category from…
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Parking Permit Zones Views: 30
This dataset contains all those street segments (individually uniquely identified by Record ID) that have been designated as belonging to a “Residential Parking Zone.” Residential Parking Zones are established by passage of legislation through the Chicago City Council; this data set is updated…
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Building Violations Views: 29
Violations issued by the Department of Buildings from 2006 to the present. Lenders and title companies, please note: These data are historical in nature and should not be relied upon for real estate transactions. For transactional purposes such as closings, please consult the title commitment for…
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Arrests Views: 28
Each record in this dataset shows information about an arrest executed by the Chicago Police Department (CPD). Source data comes from the CPD Automated Arrest application. This electronic application is part of the CPD CLEAR (Citizen Law Enforcement Analysis and Reporting) system, and is used to…
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Beach Weather Stations - Automated Sensors Views: 28
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the…
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Census Data - Selected socioeconomic indicators in Chicago, 2008 – 2012 Views: 28
This dataset contains a selection of six socioeconomic indicators of public health significance and a “hardship index,” by Chicago community area, for the years 2008 – 2012. The indicators are the percent of occupied housing units with more than one person per room (i.e., crowded housing); the…
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Traffic Crashes - Vision Zero Chicago Traffic Fatalities Views: 28
Traffic fatalities within the City of Chicago that are included in Vision Zero Chicago (VZC) statistics. Vision Zero is Chicago’s commitment to eliminating fatalities and serious injuries from traffic crashes. The VZC Traffic Fatality List is compiled by the Chicago Department of Transportation…
