Tiruvalangadu is a village in Kuthalam tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Tiruvalangadu was 3,461 which includes 1,669 males and 1,792 females. Tiruvalangadu covers 244.62 ha area. Pincode of Tiruvalangadu is 609803.