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About the Cook County Department of Corrections

The Cook County Department of Corrections (CCDOC), expanding ninety-six acres and 8 city blocks, is one of the largest single-site jails in the country.

Mission Statement

The mission of the Cook County Department of Corrections is to ensure the safety of the citizens, correctional staff, and individuals in custody of Cook County.  We provide a central location for screening and classification of all defendants and a safe, secure, humane, positive, efficient and constitutionally-operated corrections department with a highly qualified, well-trained and dedicated staff.

Main Address

Cook County Department Of Corrections
2700 South California Avenue
Chicago, Illinois 60608
(773) 674-7100