 In Namrup, 8% of the population is under 6 years of age.The town has experienced rapid growth of population since the 1960s and the pace of growth increases further due to establishment of the Assam Petrochemical Limited's unit and the thermal power station.The main communities living in the area are Ahom, Tea-tribes of Assam, Chutia, Kalita, Assamese Brahmins, Sonowal Kacharis, Keot (Kaibarta) and Tai people.The most interesting demographic feature of the town is the population composition and multi-culturalism.