Dumbru is a village in Bandgaon tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Dumbru was 230 which includes 128 males and 102 females. Dumbru covers 89 ha area. Pincode of Dumbru is 835216.