Thennampattiam is a village in Sirkali tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thennampattiam was 4,202 which includes 2,055 males and 2,147 females. Thennampattiam covers 784.33 ha area. Pincode of Thennampattiam is 609106.