Pottiyam is a village in Sankarapuram tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Pottiyam was 1,472 which includes 751 males and 721 females. Pottiyam covers 1325.38 ha area. Pincode of Pottiyam is 606207.