Williamson County Jail
The Williamson County Jail is the primary jail facility serving Williamson County, Illinois. This main jail has a capacity of approximately 244 inmates.
Contact Information
The facility is located at 404 North Van Buren Street, Marion, IL 62959. For general inquiries or to verify inmate information, you can contact the jail directly at (618) 997-6541. Additional information and online services may be available through their official website.
Visiting Hours & Visitation Policy
Visiting hours at Williamson County Jail are available during weekdays from 8:00 AM - 4:00 PM and weekends are closed. Important: All visits are conducted via video through a third-party provider (HomeWAV). On-site video visitation must be scheduled 24 hours in advance.
