Pinnalavadi is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Pinnalavadi was 2,790 which includes 1,369 males and 1,421 females. Pinnalavadi covers 524.59 ha area. Pincode of Pinnalavadi is 607202.