Union County Jail
Union County Jail
No Current County Jail / Sheriff Custody-Routing RecordMailing Address
NO LOCAL INMATE MAIL DESTINATION. Verify the person's actual receiving facility before mailing.
Physical Address
Union County Sheriff's Office, 309 W. Market Street, Jonesboro, IL 62952
Phone
Governing Agency
Union County Sheriff's Office
Inmate ID
Receiving-facility inmate / booking number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Locate the actual receiving facility before sending correspondence.
Source: Official sourceLast verified: September 27, 2026
Follow the receiving facility's current photo rules.
Source: Official sourceLast verified: September 27, 2026
Follow the receiving facility's current publication/package rules.
Source: Official sourceLast verified: September 27, 2026
Use the receiving facility's account-deposit procedure.
Source: Official sourceLast verified: September 27, 2026
Use the receiving facility's visitation policy.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Do not send inmate correspondence to this record as though it were an operating jail. Contact the Sheriff's Office and identify the person's actual receiving facility before mailing.
About Union County Jail
The Illinois Sheriffs' Association currently lists no Union County jail address or jail-bed inventory. Verify the detainee's actual placement with the Union County Sheriff; Tri-County Justice & Detention Center in Ullin is one current regional detention resource used in this area.