 As soon as Schwäbisch Gmünd fell due to the Reichsdeputationshauptschluss in 1803 to the Kingdom of Württemberg, also Mögglingen became part of Württemberg and belonged to the newly formed Oberamt Gmünd, from 1938 Schwäbisch Gmünd.When this was dissolved by the district reform Baden-Württemberg 1973, Mögglingen became part of the newly formed Ostalbkreis.Mögglingen remained Catholic even after the introduction of the Reformation in Württemberg, because most of the goods belonged to citizens and monasteries of the free catholic city Gmünd.