The Cook County Sheriff’s Office is responsible for maintaining the Cook County Department of Corrections, which involves a single site stretching eight city blocks. Housing nearly 100,000 detainees each year, the Cook County Jail is among the largest jail facilities in the United States. The Cook County Sheriff’s Office takes pride in ensuring the safety of the correctional facility’s staff, Cook County inmates and citizens by providing a safe, secure, efficient and humane county jail. The highly-trained and dedicated staff guarantee safety for both Cook county inmates and visitors during inmate meetings. With the use of the Cook County Inmate Locator, general information can be acquired as well as the facility’s visitor information.
The Department of Corrections provides a bonding facility controlled by the Clerk of Cook County to accommodate family members of incarcerated detainees to post bond on site by means of credit card, cash or certified check from 9:00AM to 8:30PM.
Questions About This Jail
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How do I find if someone is still in a Cook County Jail?
To find an inmate's current status, you can you can call 773-674-5245 or use the online search.
How can I visit an inmate in a Cook County Jail?
A valid photo id is required to visit inmates in Cook County. Visitation schedules can be found here.
How can I mail a letter to someone in a Cook County Jail?
First make sure the individual is still in jail by using the county's online search here. Then you can get the address to mail a letter to here.