As of 2025[update], the town of Manternach, which lies in the south of the commune, has a population of 746.[1] Other towns within the commune include Berbourg, Lellig, and Munschecker.
The population is very international, consisting of mostly farmers (active or retired). People from Germany, Poland, Senegal, Ethiopia, France, the Netherlands, Italy and other places live in Manternach. German or Luxembourgish languages are mostly used, sometimes French.[3]