Kottangudi is a village in Thirukkuvalai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kottangudi was 1,239 which includes 601 males and 638 females. Kottangudi covers 258.45 ha area. Pincode of Kottangudi is 610211.