Dumaria Bahiyar is a village in Jarmundi tehsil in district of Dumka, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Dumaria Bahiyar was 74 which includes 37 males and 37 females. Dumaria Bahiyar covers 32.22 ha area. Pincode of Dumaria Bahiyar is 814120.