Thirumangalam 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 Thirumangalam was 3,296 which includes 1,556 males and 1,740 females. Thirumangalam covers 356.73 ha area. Pincode of Thirumangalam is 609811.