Dumariya is a village in Sona Rai Tharhi tehsil in district of Deoghar, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Dumariya was 281 which includes 146 males and 135 females. Dumariya covers 55.25 ha area. Pincode of Dumariya is 814150.