Ramarajapuram is a village in Sankarapuram tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ramarajapuram was 1,370 which includes 678 males and 692 females. Ramarajapuram covers 220.69 ha area. Pincode of Ramarajapuram is 606402.