Therku Kadayam is a village in Ambasamudram tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Therku Kadayam was 5,059 which includes 2,469 males and 2,590 females. Therku Kadayam covers 422.17 ha area. Pincode of Therku Kadayam is 627415.