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County in Illinois

Williamson County jail and inmate search

People arrested in Williamson County, Illinois are usually booked into Williamson County Jail. We list 3 facilities in this county.

Main jail

Williamson County Jail

County jail 404 N. Van Buren, Marion, IL, 62959

Visiting, calls, money and bail Call (618) 997-6541

Facilities in Williamson County

How to look someone up in Williamson County

  1. Search the nameUse the search box at the top of this page. We may not have a roster for this county yet.
  2. Check the sheriff's websiteLook for an inmate lookup or roster.
  3. Call the jailCall (618) 997-6541 with the person's full name and date of birth. Staff can usually confirm custody, charges and bail.
  4. Try again laterIf they are not listed yet, check back. Booking can take several hours.

Read the full guide to finding someone in jail.