Thamarai Kulam is a village in Periyakulam tehsil in district of Theni, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thamarai Kulam was 15,271 which includes 7,638 males and 7,633 females. Thamarai Kulam covers 3424.28 ha area. Pincode of Thamarai Kulam is 635523.