Sembathaniruppu 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 Sembathaniruppu was 3,679 which includes 1,823 males and 1,856 females. Sembathaniruppu covers 521.92 ha area. Pincode of Sembathaniruppu is 609916.