Cook County of Illinois
Overview
- Type: County Government
- Total datasets: 484
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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: 132 | Catalog Last Checked: January 31, 2026 at 10:50 AM -
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: 67 | Catalog Last Checked: January 31, 2026 at 10:50 AM -
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, decreases, scope...
Search relevance: 1.00 | Views last month: 33 | Catalog Last Checked: May 11, 2026 at 10:05 AM -
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: 28 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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: 24 | Catalog Last Checked: May 11, 2026 at 10:05 AM -
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: 20 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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: 20 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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: 16 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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: 14 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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 14 digits. Some datasets may...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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 available again before the end of...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 11, 2026 at 10:05 AM -
Cook County is home to over 130 municipalities. Our list gives each one along with the City Hall Address and URL.
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 06, 2025 at 10:38 AM -
This dataset provides the list of vendors and contracts to be executed by the Office of the Chief Procurement Officer and is updated 3 days before award. M/W/DBE Participation Types MBE =...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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 reporting. This dataset...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: January 31, 2026 at 10:49 AM -
Parcels with property tax-exempt status across all of Cook County per tax year, from Tax Year 2022 on, with geographic coordinates and addresses. Properties of religious, charitable, and...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 04, 2026 at 09:35 AM -
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: 8 | Catalog Last Checked: January 31, 2026 at 10:49 AM -
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: May 11, 2026 at 10:05 AM -
Total revenue collected by tax type per month. Data covers December 2011 through June 2012.
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: January 31, 2026 at 10:49 AM -
Total Home Rule Taxes collected per month. Data covers December 2010 through June 2011.
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: January 31, 2026 at 10:49 AM -
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. Some datasets may...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: March 07, 2026 at 10:57 AM
