Koorathangudi is a village in Kilvelur tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Koorathangudi was 1,473 which includes 713 males and 760 females. Koorathangudi covers 335.28 ha area. Pincode of Koorathangudi is 610207.