Saint-Ciergues is a municipality in the French department of Haute-Marne, and is part of the arrondissement of Langres. It has 180 inhabitants (2021).
Geography
The area of Saint-Ciergues is 12.7 km², and the population density is 15 inhabitants per km². The lowest level is 329 meters and the highest level is 457 meters The map below shows the location of Saint-Ciergues with the main infrastructure and neighboring municipalities. ==Demography==