Jefferson County WI Jail is classed as a medium security facility. It has a strengthened perimeter fence and electronic detection systems to ensure inmates stay within the facility. To help inmates prepare themselves to rejoin the wider community, Jefferson County WI Jail offers a wide range of work and treatment programs. Jefferson County WI Jail is a County Jail used by the jurisdictions of Jefferson to confine inmates for short periods while awaiting trial or processing. As inmates are staying for only a short period, it has fewer amenities than a jail or prison.