Kothamangalam South is a village in Alangudi tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kothamangalam South was 5,024 which includes 2,412 males and 2,612 females. Kothamangalam South covers 882.66 ha area. Pincode of Kothamangalam South is 614624.