Historical budget appropriations from 2016 to present budget

This data contains every residential Property Index Number (PIN) and corresponding Assessed Values from significant stages in the assessment process.

This data was replaced with the more comprehensive Cook County Assessor's Fair Cash Values.

The Cook County Department of Emergency Management and Regional Security (EMRS) reminds residents to take appropriate precautions to protect themselves and their families.

Municipalities and townships across Cook County are opening warming centers for residents. Residents who do not have adequate heating in their homes are encouraged to visit a warming center to ensure they remain safe.

Public Statements issued by the Office of the Independent Inspector General regarding matters associated with the Metropolitan Water Reclamation District of Greater Chicago.