Bag Kalapahar is a village in Jamalpur tehsil in district of Barddhaman, West Bengal, India. As per the data provided by Census of India in 2011, total population of Bag Kalapahar was 765 which includes 381 males and 384 females. Bag Kalapahar covers 115.27 ha area. Pincode of Bag Kalapahar is 713408.