Cook County Inmate Search Online

Search for an inmate by Cook County Department of Corrections inmate search online.
Enter both Last and First names into the form below, input the security code, then submit to search.
Cook County Department Of Corrections (Jail)
2700 South California Ave, Chicago, IL 60608
Phone: (773) 674-7100 (Main)

If the inmate is not found, call the Sheriff's DOC at (773) 674-5245 to help you locate the inmate. If the inmate is in an Illinois Department of Corrections facility, click on IDOC inmate search to lookup him/her. If he/she is housed in another county jail in Illinois, click here.