Adhamangalam is a village in Thirukkuvalai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Adhamangalam was 1,611 which includes 827 males and 784 females. Adhamangalam covers 447.22 ha area. Pincode of Adhamangalam is 610207.