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County
Employee Payroll
Cook County of Illinois —
Employee payroll data for all Cook County employees excluding Forest Preserves, indicating amount of base salary paid to an employee during the County fiscal quarter.... -
County
Medical Examiner Case Archive
Cook County of Illinois —
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... -
County
Medical Examiner - Unidentified Persons
Cook County of Illinois —
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... -
County
Medical Examiner - Unclaimed Persons
Cook County of Illinois —
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... -
County
Public Health Birth Data: Pregnancy Health and Risk Factors
Cook County of Illinois —
This dataset is part of a series of seven datasets about Cook County births sourced from the Illinois Department of Public Health and curated by the Cook County... -
County
Human Rights - Decisions
Cook County of Illinois —
Decisions that have been entered by the Cook County Commission on Human Rights as they pertain to complaints filed since the year 2000. A previous version of the... -
County
Assessor - Parcel Sales
Cook County of Illinois —
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... -
County
Assessor - Parcel Universe (Current Year Only)
Cook County of Illinois —
A current-year-only universe of Cook County parcels with attached geographic, governmental, and spatial data. When working with Parcel Index Numbers (PINs) make sure... -
County
Treasurer - Scavenger Tax Sale
Cook County of Illinois —
The biennial Scavenger Sale (conducted in odd-numbered years) offers taxes on properties that have delinquencies on three or more years that were not purchased at an... -
County
Assessor - Commercial Valuation Data
Cook County of Illinois —
Commercial valuation data collected and maintained by the Cook County Assessor's Office, from 2021 to present. The office uses this data primarily for valuation and... -
County
Assessor - Single and Multi-Family Improvement Characteristics
Cook County of Illinois —
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.... -
County
Assessor - Appeals
Cook County of Illinois —
Appeals for many years are currently missing from this dataset as we repopulate our system of record with updated records. We expect all missing appeals to be... -
County
Treasurer - Annual Tax Sale
Cook County of Illinois —
Under Illinois law, the Treasurer’s Office is required to hold an Annual Tax Sale. The sale is held once a year, sometime after the Second Installment. If property... -
County
Cook County Address Points
Cook County of Illinois —
This dataset contains address points for addresses in Cook County. An ESRI Service is available at: https://hub-... -
County
Department of Revenue - Unincorporated Cook County Municipalities by Township and ZIP
Cook County of Illinois —
Data last updated September 8th, 2011 -
County
Assessor - Residential Condominium Unit Characteristics
Cook County of Illinois —
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... -
County
Assessor - Permits
Cook County of Illinois —
Historical permit data submitted by municipalities to the Cook County Assessor's Office. When working with Parcel Index Numbers (PINs) make sure to zero-pad them to... -
County
Sentencing
Cook County of Illinois —
A Note from the State's Attorney's Office as of 12/30/2024: The Cook County State's Attorney's Office believes data transparency is an important accountability and... -
County
Procurement - Bid Tabulations
Cook County of Illinois —
The bid tabulations provided herein are preliminary and are for informational purposes only. The purpose of providing this preliminary information is to improve... -
County
Campaign Contributions - Restricted Contractors
Cook County of Illinois —
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...