 During German mediatisation in 1806, Tannhausen belonged to the State of Bavaria; however, it became later a part of the duchy of Württemberg on January 12, 1810.The village of Tannhausen was formerly spelled as Thannhausen with an "h" identical to the name of the local noble family, nevertheless the name was changed during a spelling reform in 1903 to Tannhausen, which excluded the "h".Tannhausen is not only a living community, but it also offers 300 local jobs.