Piliavayal is a village in Thirumayam tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Piliavayal was 1,199 which includes 592 males and 607 females. Piliavayal covers 426.24 ha area. Pincode of Piliavayal is 622209.