Mattanr is a village in Karma Tanr Vidyasagar tehsil in district of Jamtara, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Mattanr was 1,244 which includes 654 males and 590 females. Mattanr covers 162 ha area. Pincode of Mattanr is 815352.