Mahuatanr is a village in Markacho tehsil in district of Kodarma, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Mahuatanr was 675 which includes 284 males and 391 females. Mahuatanr covers 140 ha area. Pincode of Mahuatanr is 825318.