Monmouth, IL Warren County Jail View

Warren County Jail is a county detention facility in Monmouth, Illinois, operated by the Warren County Sheriff’s Office. It serves the local court and law enforcement system by holding adults who are awaiting court proceedings, trial, transfer, or release, as well as individuals serving short county sentences when authorized by the court. Like other Illinois county jails, the facility processes arrests made by local agencies, maintains custody records, provides secure housing, and coordinates inmate movement for court appearances and other required appointments.

Contact and Location Information

Jail Name: Warren County Jail
Type: County Jail
Security Level: Medium
Address: 121 North A Street
City: Monmouth
Zip: 61462
Phone: 309-734-8506
Facebook: Not available
Inmate Search: Not available
Warren County Jail Contact Details

How to Find an Inmate at Warren County Jail

To find an inmate at Warren County Jail, use the official inmate search link available on this page for the facility’s roster. County jail rosters typically list basic custody information such as the person’s name, booking date, charges, bond information when available, and current custody status. New booking records are not always searchable right away because identification, paperwork, medical screening, and data entry can take several hours. If a person was just arrested and does not appear in the search results, check again later or contact the facility for current custody information.

FAQs

How do I visit an inmate at Warren County Jail?

Contact the facility or check its official visitation information before you go, because schedules and rules can change. Visits may require advance approval, registration, or scheduling, and inmates may have limits on the number or length of visits.

What do I need to bring when visiting Warren County Jail?

Visitors are generally required to bring a valid government-issued photo ID. Follow all dress code, check-in, and property rules, and leave restricted items such as weapons, tobacco, and unnecessary personal belongings outside the secure area.

How do I make phone or video calls with an inmate?

Inmates usually cannot receive incoming personal calls, but they may be able to place outgoing calls through the facility’s phone provider. Video visitation or remote calling may be available if the facility uses that service, and families should follow the provider’s registration and payment steps.

How do I send mail to an inmate?

Address mail with the inmate’s full name and follow the facility’s mailing instructions. Mail is usually inspected for security, and items such as cash, prohibited photos, or unauthorized materials may be rejected.

How does the commissary work?

Commissary allows eligible inmates to buy approved items such as snacks, hygiene products, and writing supplies. Family or friends may be able to deposit funds into an inmate account through the approved payment method used by the facility.

How is bail set and how do I post bond at Warren County Jail?

Bail or release conditions are set by the court according to Illinois law and the facts of the case. To post bond, contact the facility or the Warren County Circuit Clerk for accepted payment methods, hours, and required case information.

What happens during the intake process at Warren County Jail and when will the inmate appear in the system?

During intake, staff confirm identity, complete booking paperwork, record charges, screen for medical and safety needs, and assign housing. This process can take several hours, so the inmate may not appear in the roster immediately after arrest.

Mailing to Warren County Jail Inmates and Staff

Inmate Visiting Days and Hours

Day of Week Hours
Tuesday male prisoners 2:00-4:00pm, female prisoners 4:00-4:30pm
Sunday male prisoners 3:30-5:00pm, female prisoners 5:00-5:30pm

How to Send Money to Warren County Jail

Family and friends can send money to inmates at Warren County Jail through approved methods to help them purchase essential items from the commissary.