Datasets
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Assessor - Single and Multi-Family Improvement Characteristics recent views
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... -
Campaign Contributions - Restricted Contractors recent views
Under Cook County Ethics Code Section 2-585, campaign contributions to County elected officials are limited to $1,500 per calendar year if the contributor is currently doing or... -
Medical Examiner - Unclaimed Persons recent views
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... -
Assessor - Commercial Valuation Data recent views
This is a preliminary version of a new open data asset and will be updated later this year once the Assessor's Office has finished reassessing commercial properties, then once... -
Medical Examiner Case Archive recent views
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... -
Procurement - Bid Tabulations recent views
The bid tabulations provided herein are preliminary and are for informational purposes only. The purpose of providing this preliminary information is to improve process... -
Assessor - Residential Condominium Unit Characteristics recent views
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... -
Medical Examiner - Unidentified Persons recent views
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 - Employment Quarterly Action Reports recent views
Pursuant to the Employment Plan, the OIIG prepares quarterly reports listing the total number of hires, promotions, transfers and terminations involving employees during the... -
Procurement - Awarded Contracts & Amendments recent views
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,... -
Assessor - Parcel Universe recent views
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 zero-... -
Medical Examiner - Burial Locations recent views
The following page lists the final disposition sites of the indigents buried by the Cook County Medical Examiner’s Office. Homewood Memorial Gardens Cemetery provides Latitude... -
CCP Invoice Register recent views
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 recent views
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... -
Assessor - Parcel Proximity recent views
Cook County 10-digit parcels with attached distances to various spatial features. When working with 10-digit Parcel Index Numbers (PINs) make sure to zero-pad them to 10 digits.... -
Assessor - Appeals recent views
Land, building, and total assessed values, pre and post-appeal with the Cook County Assessor’s office, for all Cook County parcels, from 1999 to present. The Assessor's Office... -
Assessor - Parcel Sales recent views
Update 10/31/2023: Sales are no longer filtered out of this data set based on deed type, sale price, or recency of sale for a given PIN with the same price. If users wish to... -
Assessor - Property Tax-Exempt Parcels recent views
Parcels with property tax-exempt status across all of Cook County per tax year, from Tax Year 2022 on, with geographic coordinates and addresses. As of 2017 owner names in this... -
Assessor - Assessed Values recent views
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 assessment... -
Medical Examiner Indigent Cremations recent views
The following page lists the unclaimed indigents cremated by the Cook County Medical Examiner’s Office.