Bamunia is a village in Bhangar II tehsil in district of South Twenty Four Parganas, West Bengal, India. As per the data provided by Census of India in 2011, total population of Bamunia was 15,582 which includes 8,156 males and 7,426 females. Bamunia covers 801.96 ha area. Pincode of Bamunia is 743502.