Mahuatanr is a village in Jainagar tehsil in district of Kodarma, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Mahuatanr was 334 which includes 186 males and 148 females. Mahuatanr covers 130 ha area. Pincode of Mahuatanr is 825324.