Kalapunja is a village in Ramnagar II tehsil in district of Purba Medinipur, West Bengal, India. As per the data provided by Census of India in 2011, total population of Kalapunja was 3,637 which includes 1,872 males and 1,765 females. Kalapunja covers 415.21 ha area. Pincode of Kalapunja is 721423.