Rallapadi 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 Rallapadi was 4,104 which includes 2,067 males and 2,037 females. Rallapadi covers 341.37 ha area. Pincode of Rallapadi is 601101.