Thamarankottai South is a village in Pattukkottai tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thamarankottai South was 3,120 which includes 1,373 males and 1,747 females. Thamarankottai South covers 1278.76 ha area. Pincode of Thamarankottai South is 614613.