Sennankaranai is a village in Uthukkottai tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sennankaranai was 1,821 which includes 887 males and 934 females. Sennankaranai covers 242.09 ha area. Pincode of Sennankaranai is 602026.