80 percent of the population in Mondulkiri is made up of ten tribal minorities, with the majority of them being the Chunchiet from the tribe of the Phnong. The remaining 20 percent are Khmer, Chinese and Muslim Cham. Most of the population lives off the land, planting rice, fruit trees and a variety of vegetables. Others grow, coffee, strawberries, rubber and cashew nuts.

Usually they make their living through traditional ways of cultivation (shifting agriculture), hunting and collecting fruits from the forest is a must. These old cultures believe in spirits, derived from their animism beliefs. The population density has a total of 44,913 inhabitants (22,890 male and 22,023 female). This is 3,14 inhabitants/sq km.