Trempealeau County, Wisconsin is governed by a 17-member governing board. The current county board chair is John Aasen. See all 8 named officeholders and how to reach each office.
Population: 31,171.
Selected officeholders: County Board Chair: John Aasen · District Attorney: John Sacia · Sheriff: Brett Semingson · County Clerk: Mary Martin · Clerk of Circuit Court: Mary Lee · County Treasurer: Michelle Rose.