The Line of Actual Control passes along the northwest side of the village, following the Charding Nullah upstream from the nearby Indus River. The Indian-administered village of Demchok, Ladakh is roughly 600m away, across the stream. The Indian-claimed border extends southeast of Demchok, while the Chinese-claimed border extends northwest of Demchok. Dêmqog is located on the west bank of the Indus, roughly 30km from Zhaxigang. It has an average altitude of over 4,000m.
The village of Demchok was mentioned in the Chronicles of Ladakh as the boundary point between Tibet and Ladakh demarcated in the 1684 Treaty of Tingmosgang. In 1846–1847, a British boundary commission described Demchok as a village divided into two parts by a small rivulet.
Chinese administration
Before 1984, there were only three households living in Dêmqog. In 1984, committees from the Tibet Autonomous Region, Ngari Prefecture, and Gar County governments selected 24 people from 5 households to move from Jiamu Village, over 100km away in Shiquanhe, to move to Dêmqog, although 3 of those residents returned to Jiamu Village the following year because they found the climate unsuitable. In 1990, Dêmqog was administratively established as a village. In that year, 9 households were selected from Jiamu Village to move to Shoubian in Dêmqog, and there were a total of 15 households in Dêmqog divided into two working groups. From 2011 to 2018, the Gar County government invested more than on facilities and rebuilding the local residences. The construction of the two-storey single-family villas, which replaced the previous low-rise adobe houses, was completed in 2018. In 2017, Dêmqog was named a by the Central Guidance Commission on Building Spiritual Civilization.
The local economy of Dêmqog is largely based on cattle and sheep grazing. The northeast corner of the village contained a small border trade market largely containing Indian handicrafts and Chinese daily necessities that operated from 1999 to 2008. Residents of Dêmqog receive government subsidies for living in a border region and for living in grasslands. In 2012, travel writer Romesh Bhattacharji stated that China expected to set up a trading village in Dêmqog, but India never renewed trade after the war. He stated that the southern Dêmqog village has only commercial buildings whereas the northern village has security-related buildings.
Education
In 2015, the primary and secondary school enrollment rate for school-age children was 98%.
Infrastructure
Before 2011, Dêmqog lacked electricity and running water. By 2017, the village was completely electrified by two photovoltaic power stations and had water pumped from two newly-drilled wells. The village also has full cellular network coverage, contains 2 public toilets, and has a landfill.