Colachel is a village in Kalkulam tehsil in district of Kanniyakumari, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Colachel was 9,836 which includes 5,072 males and 4,764 females. Colachel covers 1600.69 ha area. Pincode of Colachel is 629251.