Thagattur Subramanyakadu is a village in Vedaranyam tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thagattur Subramanyakadu was 2,768 which includes 1,345 males and 1,423 females. Thagattur Subramanyakadu covers 507.85 ha area. Pincode of Thagattur Subramanyakadu is 614714.