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Cook County Sees Significant Drop in Homicides, Opioid Overdose Deaths

Medical Examiner’s Office Releases Preliminary 2025 Data

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January 2, 2026

Health, Open Data and Transparency

Cook County Leaders Announce New Criminal Justice Dashboard

[Cook County, Illinois] Today, Cook County leaders came together to announce the launch of the Cook County Criminal Justice Dashboard.

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June 24, 2025

Community, Courts and Legal, Open Data and Transparency, Public Safety and Jails

Cook County Launches Beta Version of CookViewer 3.0: Enhanced Mobile Experience, Spanish Language Support and Expanded Features

The Cook County Bureau of Technology's Geographic Inf

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April 26, 2024

Open Data and Transparency

Cook County Releases 2020 Annual Performance Report

Highlights include operational achievements and future initiatives

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April 21, 2021

Open Data and Transparency

President Preckwinkle Launches New System to Streamline Public Records Requests

Today, Cook County Board President Toni Preckwinkle announced the launch of a new system for Freedom of Information Act (FOIA) requests.

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March 8, 2021

Open Data and Transparency