Periyapalayam is a village in Uthukkottai tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Periyapalayam was 7,311 which includes 3,621 males and 3,690 females. Periyapalayam covers 318.16 ha area. Pincode of Periyapalayam is 601102.