Nallathukudi is a village in Mayiladuthurai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nallathukudi was 3,351 which includes 1,653 males and 1,698 females. Nallathukudi covers 338.16 ha area. Pincode of Nallathukudi is 609001.