Nagakudaiyan is a village in Vedaranyam tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nagakudaiyan was 3,566 which includes 1,778 males and 1,788 females. Nagakudaiyan covers 849.32 ha area. Pincode of Nagakudaiyan is 614808.