Burkhardt, WisconsinBurkhardt is an unincorporated community in St. Croix County, Wisconsin, United States, located between the cities of Hudson and New Richmond in the town of St. Joseph.HistoryIt was originally named Bouchea, and was renamed in honor of Christian Burkhardt, owner and operator of the mills there, by Guy Dailey, during Dailey's single term representing the county in the Wisconsin State Assembly.