Pattavarthi 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 Pattavarthi was 2,316 which includes 1,109 males and 1,207 females. Pattavarthi covers 307.39 ha area. Pincode of Pattavarthi is 609201.