Koondankulam is a village in Radhapuram tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Koondankulam was 12,957 which includes 6,483 males and 6,474 females. Koondankulam covers 2696.92 ha area. Pincode of Koondankulam is 627106.