The district was formed when Subansiri district was bifurcated into Upper and Lower Subansiri districts in 1980.
Geography
Upper Subansiri district occupies an area of 7,032 square kilometres (2,715sqmi), comparatively equivalent to the United Kingdom's East Falkland island.
According to the 2011 census, Upper Subansiri district has a population of 83,448, roughly equal to the nation of Andorra. This gives it a ranking of 621st in India (out of a total of 640). The district has a population density of 12 inhabitants per square kilometre (31/sqmi) . The population growth rate in the 2001–2011 decade was 50.34%. Upper Subansiri has a sex ratio of 982 females for every 1000 males, and a literacy rate of 63.96%. Scheduled Tribes make up 93.86% of the population.
At the time of the 2011 census, 69.17% of the population spoke Tagin, 14.30% Galo, 9.30% Nyishi, 1.14% Bhojpuri and 1.05% Nepali as their first language.
Aato Topo statue at Dumporijo; Ato Topo is the forefather of the Topo clan. Topo welfare society based in Dumporijo built a statue of Ato Topo at Dumporijo in Feb 2004. Dumporijo is located about 15 kilometers far, easterly to Daporijo, the district head-quarters.
Menga mandir: a cave mandir with a huge Shiva Linga inside. The cave has two caves within, which goes down about 8 meters.
Jalang waterfall at Timba village
Keba Somara village where there is Yechung Gambung[clarification needed] in the Subansiri river, which is believed to be linked to a cave/large crack in the mountain, 2km away and has an associated history.
Lingpi ligne at Dupit village has a huge Shiva Linga shaped stone (Lingpi coming out from earth) which has a
Achin Muri is a historical place associated with the massacre of Indian Army in 1953
Sher-e-Thappa statue commemorating an engagement with the Chinese for 72 hours in 1962 Indo-China war
Also, there is trekking from Siyum to Mechuka through the snow-laden Tikuk pass in the Tikuk mountain (during November). This trade route
was part of the established barter practice between Tibet and the
tribes in the region during 20th C.