The region was originally known as "Sirumoe". This korean name was sinicized as jeungsan when the subdivision of Jeungsanhyang was installed under the Kangso prefecture in 1136.In 1395, Jeungsanhyang became a prefecture in its own right and became Jeungsan prefecture.In 1914, the county became a myeon under Kangso county and some of the areas that were part of the county were merged into Pyongwon County.After being under Kangso Countyfor a while, the Chungsan County was recreated in 1952.