Kodavilagam is a village in Tharangambadi tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kodavilagam was 1,340 which includes 664 males and 676 females. Kodavilagam covers 313.5 ha area. Pincode of Kodavilagam is 609306.