Jefferson County, Wisconsin is governed by a 30-member governing board. The current county board chair is Steven J Nass. See all 10 named officeholders and how to reach each office.
Population: 86,505.
Selected officeholders: County Board Chair: Steven J Nass · District Attorney: Monica J Hall · Sheriff: Travis Maze · County Clerk: Audrey McGraw · Clerk of Circuit Court: Cindy Hamre Incha · Register of Deeds: Staci M Hoffman.