Porasapattu is a village in Chengam tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Porasapattu was 2,532 which includes 1,313 males and 1,219 females. Porasapattu covers 666.27 ha area. Pincode of Porasapattu is 606709.