Bamunia Purba is a village in Mathabhanga I tehsil in district of Koch Bihar, West Bengal, India. As per the data provided by Census of India in 2011, total population of Bamunia Purba was 2,618 which includes 1,358 males and 1,260 females. Bamunia Purba covers 301.22 ha area. Pincode of Bamunia Purba is 736146.