According to the Population by Mother Tongue 2011 data, in the Nimdih subdistrict, Bengali was the mother-tongue of 67,879 persons forming 86.32% of the population, followed by (number of persons and percentage of population in brackets) Santali (774/ 0.98%), Hindi (774 / 0.98%), Mundari (596 / 0.76%), and persons with other languages as mother-tongue (553/ 0.70%).
