Kokrajhar district occupies an area of 3,129 square kilometres (1,208 sq mi),^[2] comparatively equivalent to Russia's Waigeo Island.^[3] Kokrajhar district is located on the northern bank of the Brahmaputra river. It forms the gateway to the Seven Sister States. Kokrajhar shares its boundary with Bongaigaon (now known as Chirang), Dhubri, West Bengal, Barpeta and Bhutan. Part of the district is made up of Manas National Park.

The Kokrajhar city is divided into 10 wards for which elections are held every 5 years. The Kokrajhar Municipal Board has population of 34,136 of which 17,567 are males while 16,569 are females as per report released by Census India 2011.

Population of Children with age of 0-6 is 3095 which is 9.07 % of total population of Kokrajhar (MB). In Kokrajhar Municipal Board, Female Sex Ratio is of 943 against state average of 958. Moreover Child Sex Ratio in Kokrajhar is around 915 compared to Assam state average of 962. Literacy rate of Kokrajhar city is 89.96 % higher than state average of 72.19 %. In Kokrajhar, Male literacy is around 93.59 % while female literacy rate is 86.11 %.

Kokrajhar Municipal Board has total administration over 7,420 houses to which it supplies basic amenities like water and sewerage. It is also authorize to build roads within Municipal Board limits and impose taxes on properties coming under its jurisdiction.