Kahankia is a village in Gaighata tehsil in district of North Twenty Four Parganas, West Bengal, India. As per the data provided by Census of India in 2011, total population of Kahankia was 2,391 which includes 1,236 males and 1,155 females. Kahankia covers 249.97 ha area. Pincode of Kahankia is 743245.