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Cook County Sheriff’s Office


3026 S. California Ave.

Chicago, Illinois 60608

Cook County Sheriff’s Police provide police services to unincorporated Cook County.  To contact Sheriff’s Police, please use one of the contact methods below.

Please note that Chicago Police Department is an independent entity from Sheriff’s Police.

General Directory: (312) 603-6444

Cook County Sheriff’s Police: (708)-865-4700

Non-Emergency: (847) 635-1188

Desk Officer: (708) 865-4790

Cook County Department of Corrections manages Cook County Jail.  Information concerning visitation as well as the individual in custody locator tool is available on our website here.

Individual in custody Information: (773) 674-JAIL (5245)

Customer Service Comments/Complaints: (773) 674-5959

Cook County Sheriff Court Services Division is responsible for security at all Cook County courthouses and facilities, as well as service of process and eviction/foreclosure enforcement.

Cook County Sheriff Civil Process: (312) 603-3365

Additional Points of Contact:

Domain Validation: Cook County Sheriff Information Technology Unit (773) 674-6850

Cook County Sheriff Discrimination Hotline: 773-674-HELP

Cook County Sheriff Bureau of Human Resources: 773-674-8427

Freedom of Information Act Request / Subpoena Duces Tecum