Dumaria Tanr is a village in Pirtanr tehsil in district of Giridih, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Dumaria Tanr was 356 which includes 177 males and 179 females. Dumaria Tanr covers 137 ha area. Pincode of Dumaria Tanr is 825108.