Datasets
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Assessor - Single and Multi-Family Improvement Characteristics
Single and multi-family (less than 7 units) property characteristics collected and maintained by the Assessor's Office for all of Cook County, from 1999 to present. The office... -
Procurement - Awarded Contracts & Amendments
Click on the link to see or download a PDF of the contract. This dataset contains new contracts and amendments. Amendments may be contract extensions, renewals, increases,... -
Medical Examiner - Unclaimed Persons
This dataset contains our most up to date list of Unclaimed Persons found in Cook County. If you feel you are the next of kin to any of the individuals listed, Please contact... -
Medical Examiner Case Archive
Effective April 1, 2022, the Cook County Medical Examiner’s Office no longer takes jurisdiction over hospital, nursing home or hospice COVID-19 deaths unless there is another... -
Cook County Address Points
This dataset contains address points for addresses in Cook County. An ESRI Service is available at:... -
Human Resources - Exempt Positions
An exempt position is one that involves policy making to an extent or is confidential in such a way that political affiliation is an appropriate consideration for the effective... -
Assessor - Residential Condominium Unit Characteristics
Residential condominium unit characteristics collected and maintained by the Assessor's office for all of Cook County, from 1999 to present. The office uses this data primarily... -
Procurement - Bid Tabulations
The bid tabulations provided herein are preliminary and are for informational purposes only. The purpose of providing this preliminary information is to improve process... -
Medical Examiner - Unidentified Persons
This dataset contains descriptions of unidentified remains whose cases have been processed by the Medical Examiner’s Office. Call 312-666-0500 to speak to Deputy Chief... -
Inspector General - Prohibition of Discrimination and Harassment Quarterly Reports
The Independent Inspector General submits Quarterly Reports to the President and the County Board. Quarterly Reports summarize the status of compliance efforts of Cook County... -
Assessor - Parcel Universe
A complete, historic universe of Cook County parcels with attached geographic, governmental, and spatial data. When working with Parcel Index Numbers (PINs) make sure to... -
Human Resources - Compliance Officer’s Quarterly Employment Action Reports
In order to ensure Cook County’s commitment to transparency, reports on employment actions and monitoring activities are available. As required under the Employment Plan, Cook... -
Procurement - Intent to Execute
This dataset provides the list of vendors and contracts to be executed by the Office of the Chief Procurement Officer and is updated 3 days before award. M/W/DBE Participation... -
Assessor - Historic Appeals
This is a preliminary version of a new open data asset and is subject to change before the final version is published along with the rest of the Assessor's 2023 open data... -
Assessor - Parcel Sales
Parcel sales for real property in Cook County, from 1999 to present. The Assessor's Office uses this data in its modeling to estimate the fair market value of unsold properties.... -
Assessor - Historic Assessed Values
Historic land, building, and total assessed values for all Cook County parcels, from 1999 to present. The Assessor's Office uses these values for reporting, evaluating... -
CCP Invoice Register
This dataset provides a cumulative record of payment and invoice details for County suppliers, vendors and other payees. Data is from December 1, 2016 to present. Payment data... -
Cook County Check Register
This dataset provides a cumulative record of payment and invoice details for County suppliers, vendors and other payees. Data is from December 1, 2016 to present. Payment data... -
Procurement - Intent to Award
This dataset provides the list of vendors to be recommended for award at the Cook County Board Meetings and are posted below for public viewing. M/W/DBE Participation Types MBE... -
Inspector General - Employment Quarterly Action Reports
Pursuant to the Employment Plan, the OIIG prepares quarterly reports listing the total number of hires, promotions, transfers and terminations involving employees during the...
