Warren County IL Jail
Warren County IL Jail basic information to help guide you through what you can do for your inmate while they are incarcerated. The facility's direct contact number: 309-734-8505 This facility is for adult inmates. The Warren County IL Jail is a medium-security detention center located at 121 North "A" St in Monmouth, IL. This county jail is operated locally by the Warren County Sheriff's Office and holds inmates awaiting trial or sentencing. Most of the sentenced inmates are here for less than two years. Warren County accepts inmates from surrounding towns, municipalities, the US Marshal's Service and the Monmouth Police Department who do not have their own long-term lock-up..
Warren County IL Jail Contact Details
Mailing to 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|