449 datasets found
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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 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
Assessor - Parcel Addresses
Cook County of Illinois —
Situs and mailing addresses of Cook County parcels. Used by the Assessor's office to mail assessment notices. This dataset was updated in March 2026 to include both... -
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
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 - 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
Cook County Clerk -- Statement of Economic Interests Filers
Cook County of Illinois —
The update script for this dataset is currently broken. Please see the Cook County Clerk SEI Search for recent filings. For extended information about Statements 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
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
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
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: Birth Outcomes
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
Procurement - Buying Plan - Fiscal Year 2026
Cook County of Illinois —
This dataset indicates the services that the County expects to procure in 2026, allowing vendors to prepare for upcoming solicitations. The Office of the Chief... -
County
Board of Review Appeal Decision History
Cook County of Illinois —
Historic land, building, and total assessed values for all Cook County parcels appealed with the Board of Review, from 2010 to present. The Board of Review uses these... -
County
Medical Examiner Indigent Cremations
Cook County of Illinois —
The following page lists the unclaimed indigents cremated by the Cook County Medical Examiner’s Office. -
County
Cook County Municipalities with City Hall Addresses and URLs
Cook County of Illinois —
Cook County is home to over 130 municipalities. This dataset lists each of those municipalities along with their websites and city hall locations -
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
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 - Assessed Values
Cook County of Illinois —
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...
449 datasets found