Kalagachhia is a village in Thakurpukur Mahestola 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 Kalagachhia was 3,020 which includes 1,506 males and 1,514 females. Kalagachhia covers 88.94 ha area. Pincode of Kalagachhia is 700063.