The Chittagong Hill Tracts was loosely under the reign of the Tripura State, the Arakans & the Sultans in different times before it came under the control of the British East India Company in 1760.

But during the Partition of India, this status was abolished and became part of East Bengal, ruled under Pakistan.

Council was established on 6 March 1989 to uphold the political, social, cultural, educational and economic right and to expedite the process of socio-economic development of all residents of Khagrachari Hill District.

Now this council has been regarded as the main focal point of administration as well as development activities of the district.

The main ethnic groups living in the district are Tripuris, Chakmas, Bengalis and Marmas.

Khagrachhari had a literacy rate of 71.80%, compared to the national average of 74.80%, and a sex ratio of 100.27 males to 100 females.

The population of major ethnic minorities living in the district besides the Bengalis, including: Chakma 175,165, Tripura 98,500 and Marma 74,210.

According to 2022 census, Chakmas are the largest indigenous group in Khagrachhari District(24.53%).

The upazilas are Dighinala, Khagrachhari Sadar, Lakshmichhari, Mahalchhari, Manikchhari, Matiranga, Panchhari, Ramgarh and Guimara.

Shahiduzzaman[16] Chairman of Hill District Council: Mr. Kongjari Chowdhury Most of the people live on Jhum cultivation.

Noted educational institutions: [20] Among the archaeological heritages and relics, Rajbari of the Mong Circle and Dighi (large pond) of Dighinala (excavated by Gobinda Manikya Bahadur exiled king of Tripura) are notable.

Chander Gari (local four wheeled jeep) is a popular transport used to ply in the hill area of the zila.