In 1384, Neustadt/Westerwald had its first documentary mention.
Religion
Roughly 82% of the population is Catholic with the other 18% following either another or no faith.
Politics
Community council
The council is made up of 12 council members who were elected in a majority vote in a municipal election on 13 June 2004.
Coat of arms
The wavy bend sinister in the community's arms stands for its location on the Große Nister. The black eagle in gold – the Imperial eagle – symbolizes today's rural area of Forstwiese, which was once an Imperial forest. The waterwheel stands for the two former mills at Neustadt, which did grinding for the Neustadt-Hellenhahn-Schellenberg milling region. The tinctures gold and blue are Nassau's (golden lion in blue) and refer to the community's former territorial allegiance.
Town partnerships
Neustadt is a member of the international town friendship group Neustadt in Europa with 34 members in five countries (as of 15 August 2005).