Nagamuganthankudi is a village in Ilayangudi tehsil in district of Sivaganga, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nagamuganthankudi was 1,195 which includes 595 males and 600 females. Nagamuganthankudi covers 723.5 ha area. Pincode of Nagamuganthankudi is 630709.