The following table shows population development over the centuries for Theisbergstegen, with some figures broken down by religious denomination:[REF].
The name Stegen first appears as Stegin in a well known document from 1364 from Count Heinrich II of Veldenz, according to which the dwellers of the Unteramt of Altenglan-Ulmet had to lend material support to the young Count Heinrich and his wife Lauretta.