Warren County Sheriff's Office

Warren County Sheriff's Office is the county law-enforcement agency for Monmouth, IL. Sheriff's offices in this class typically provide patrol and investigative coverage outside municipal police limits, operate or support the county jail/detention function, serve civil process, and provide courthouse and court-security support as required under state law. Warren County Sheriff's Office is listed at 8592 Warren County, Court, Monmouth, IL. Non-emergency phone: (309) 734-8592. Dial 911 for emergencies. More information: https://warrencountyil.gov/offices/sheriff/. This directory entry summarizes the agency's area of responsibility for readers seeking the correct public-safety contact for Monmouth, IL; confirm hours, divisions, and personnel on the official website when published. Contact details shown here are limited to numbers and addresses verified from official public sources for this agency. For emergencies anywhere in the United States, dial 911; use the published non-emergency line for routine business, records requests, and non-urgent community concerns.