Warren County Jail
Illinois
Warren County Jail
The Warren County Jail in Monmouth is operated by the Warren County Sheriff's Office.
- Address
- 100 W Broadway, Monmouth, IL 61462
- Phone
- (309) 734-8506
How to find an inmate
To check whether someone is held at the Warren County Jail in Monmouth, call the Warren County Sheriff's Office with the person's full name and date of birth. If the person has been sentenced to state prison, use the Illinois Department of Corrections Individual in Custody Search on idoc.illinois.gov.
Visitation
The Warren County Sheriff's Office sets the visitation rules for the Warren County Jail. Call the jail to confirm the current schedule, ID requirements, and visit format before you go.
Bail and bond
Pretrial release in Warren County is handled by the Warren County Circuit Court in Monmouth. Illinois has largely eliminated cash bail, so contact the jail or the Circuit Clerk to learn the person's release status and conditions.
Mail and money
Mail for people at the Warren County Jail must include the person's full name and the jail address. Confirm current mail rules and the approved ways to deposit money with the Sheriff's Office.
Frequently asked questions
How do I find out if someone is in the Warren County Jail?
Call the Warren County Sheriff's Office at (309) 734-8506 with the person's full name and date of birth.
What is the address of the Warren County Jail?
The jail is at 100 W Broadway, Monmouth, IL 61462. Confirm the address before visiting.
How do I post bail in Warren County?
Illinois has largely ended cash bail. Contact the jail or the Warren County Circuit Clerk about release status and conditions.
Can I send money to an inmate at the Warren County Jail?
Yes. Call the Sheriff's Office to confirm the approved deposit methods.