Therku Vandanam is a village in Kovilpatti tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Therku Vandanam was 647 which includes 327 males and 320 females. Therku Vandanam covers 900.46 ha area. Pincode of Therku Vandanam is 628714.