Bamunbhuin is a village in Kundhit tehsil in district of Jamtara, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Bamunbhuin was 218 which includes 111 males and 107 females. Bamunbhuin covers 145.93 ha area. Pincode of Bamunbhuin is 821530.