Demographics
According to the 2011 census Dibang Valley district has a population of 7,948, roughly equal to the nation of Nauru. This gives it a ranking of 640th in India (out of a total of 640). The district has a population density of 1 inhabitants per square kilometre (2.6 /sq mi) . Its population growth rate over the decade 2001–2011 was 9.3%. Dibang Valley has a sex ratio of 808 females for every 1000 males, and a literacy rate of 64.8%.
The major population of this district consist of Mishmi (Idu).
The Mishmis have a story narrating the first journeys undertaken in course of migration. The story conveys names and location of the Cheethu-Huluni or the twelve rivers that the Mishmi (Idu) people came over in the region and settled around. The first accounts of the Mishmi (Idus) are found in the narrations given by the neighbouring Ahoms. The Mishmis inhabited the deep jungles of what is now the Dibang valley.
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