Cook County Government

Cook County Government Cook County has a population of more than 5.3 million people, and is the second largest county in our nation. Cook County Government is dedicated to serving the needs and improving the quality of life of allf of its residents.

Operating as usual


69 W Washington St
Chicago, IL

Opening Hours

Monday 08:00 - 17:00
Tuesday 08:00 - 17:00
Wednesday 08:00 - 17:00
Thursday 08:00 - 17:00
Friday 08:00 - 17:00


(312) 443-5500


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Retired Cook County Government