It was defined as an administrative unit for the first time in the 17th century when it was called Sarkar Dhekuri under the Bengal Subah of the Mughals.
[4] After the transfer of the Bengal Diwani to the East India Company, the Goalpara region, minus the Assam Dooars, then under Bhutan, came to be called Rangamatty, and after 1816, "Northeast Rangpur".
A majority of the people belong to Koch Rajbanshi speaking Rangpuri language[7][8] who are converts from Mech, Rabha communities in earlier times.
Assamese Brahmins and Kayastha communities are small, and even the Kalitas, who have a dominating presence in the adjoining Kamrup region, are not as significant.
The indigenous Keot (Kaibarta) people are present near the wetlands and riverine areas both in the North and South Bank.