In 1289, Nomborn had its first documentary mention as Numburne.
Politics
Community council
The council is made up of 13 council members, including the extraofficial mayor (Bürgermeister), who were elected in a municipal election on 13 June 2004.
The community's arms show a stylized representation of Saint Kilian’s Church above. The seven hexagons symbolize the basalt columns found in the area around the Hausberg Bornkasten. Below, the former drinking water supply is symbolized as a well. The wavy bendlet stands for the Eisenbach, which flows through the community.