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County in Illinois

Jefferson County jail and inmate search

People arrested in Jefferson County, Illinois are usually booked into Jefferson County Jail. We list 2 facilities in this county.

Main jail

Jefferson County Jail

County jail 911 Casey Ave, Mount Vernon, IL, 62864

Visiting, calls, money and bail Call (618) 244-8004

Facilities in Jefferson County

How to look someone up in Jefferson 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) 244-8004 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.