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Cook County of Illinois

Overview

  • Type: County Government
  • Total datasets: 626
  • #1 County

    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. Salaries are paid to...

    Search relevance: 1.00 | Views last month: 101 | Catalog Last Checked: September 10, 2026 at 06:28 PM
  • #2 County

    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 recreate the former...

    Search relevance: 1.00 | Views last month: 42 | Catalog Last Checked: September 15, 2026 at 10:57 PM
  • #3 County

    This dataset contains our most up to date list of unclaimed persons found in Cook County. An unclaimed person is a deceased individual who has been positively identified and has been examined by...

    Search relevance: 1.00 | Views last month: 35 | Catalog Last Checked: September 15, 2026 at 10:56 PM
  • #4 County

    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 factor that falls...

    Search relevance: 1.00 | Views last month: 31 | Catalog Last Checked: September 15, 2026 at 10:56 PM
  • #5 County

    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 owner and taxpayer...

    Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: September 15, 2026 at 10:56 PM
  • #6 County

    This dataset contains address points for addresses in Cook County. An ESRI Service is available at: https://hub-cookcountyil.opendata.arcgis.com/datasets/5ec856ded93e4f85b3f6e1bc027a2472_0/ Data...

    Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: September 10, 2026 at 06:27 PM
  • #7 County

    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 uses this data...

    Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: September 15, 2026 at 10:57 PM
  • #8 County

    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 to zero-pad them to 14...

    Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: September 15, 2026 at 10:56 PM
  • #9 County

    The bid tabulations provided herein are preliminary and are for informational purposes only. The purpose of providing this preliminary information is to improve process transparency. The...

    Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: September 15, 2026 at 10:56 PM
  • #10 County

    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-pad them to 14...

    Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: September 15, 2026 at 10:56 PM
  • #11 County

    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 Department of Public Health. This...

    Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 06:28 PM
  • #12 County

    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 death across the County...

    Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 06:28 PM
  • #13 County

    This dataset contains new contracts and amendments procured by Cook County. This includes approved blanket purchase agreements (BPAs), contract purchase agreements (CPAs), and standard purchase...

    Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 06:28 PM
  • #14 County

    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 County Board...

    Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 06:27 PM
  • #15 County

    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 taxes for the immediately...

    Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 06:27 PM
  • #16 County

    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 for valuation,...

    Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 15, 2026 at 10:56 PM
  • #17 County

    As a public agency, the Office of the Chief Procurement Officer welcomes all vendors to participate in the open and competitive process. The buying plan contains hundreds of great opportunities...

    Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 06:27 PM
  • #18 County

    The following page lists the unclaimed indigents cremated by the Cook County Medical Examiner’s Office.

    Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 06:27 PM
  • #19 County

    This dataset is no longer actively maintained as of 12/30/2024. Please visit the site below to explore data dashboards published by the State’s Attorney’s Office beginning 2025. Data Dashboards |...

    Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 06:27 PM
  • #20 County

    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 performance over time, and...

    Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 15, 2026 at 10:57 PM

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