As of 2008[update], the town of Rumelange, which lies in the east of the commune, has a population of 4,818. It is also the site of some of the underground iron mines no longer in operation. Rumelange is home to Luxembourg's National Mining Museum.
Rumelange was formed on 25 September 1891, when it was detached from the commune of Kayl. The law forming Rumelange was passed on the 27 June 1891.