Jamuniatanr is a village in Domchanch tehsil in district of Kodarma, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Jamuniatanr was 229 which includes 104 males and 125 females. Jamuniatanr covers 371 ha area. Pincode of Jamuniatanr is 825407.