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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
Public Health: Causes of Death
Cook County of Illinois —
This dataset is sourced from the Illinois Department of Public Health and curated by the Cook County Department of Public Health. It covers a select set of causes of... -
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 - 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
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
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
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
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
Procurement - Awarded Contracts & Amendments
Cook County of Illinois —
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,... -
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 - 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
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
Department of Revenue - Unincorporated Cook County Municipalities by Township and ZIP
Cook County of Illinois —
Data last updated September 8th, 2011 -
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
MetroTaxDist
Cook County of Illinois —
Metropolitan Water Reclamation Taxing Districts in Cook County -
County
Auditor - Open Findings Recommendations Status Reports
Cook County of Illinois —
The Office of the County Auditor conducts follow-ups on recommendations made by the office to determine if corrective actions have been taken. This dataset is... -
County
Assessor - Neighborhood Boundaries
Cook County of Illinois —
Neighborhood polygons used by the Cook County Assessor's Office for valuation and reporting. These neighborhoods are specific to the Assessor. They are intended to... -
County
Department of Revenue - Home Rule Taxes Collected - December 2010 to June 2011
Cook County of Illinois —
Total Home Rule Taxes collected per month. Data covers December 2010 through June 2011. -
County
2015_Metro_Tax_District
Cook County of Illinois —
Metropolitan Water Reclamation Taxing Districts in Cook County