After several changes over the next century, it was converted into a district in 1938, and enlarged by adding several municipalities from the neighboring "Amtsoberamt Stuttgart", and the "Oberamt Schorndorf", "Kirchheim unter Teck" and "Göppingen".
After several changes over the next century, it was converted into a district in 1938. Additionally, it was enlarged by adding several municipalities from the neighboring "Amtsoberamt Stuttgart", "Oberamt Schorndorf", "Kirchheim unter Teck" and "Göppingen".