Rayasamudram 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 Rayasamudram was 1,387 which includes 712 males and 675 females. Rayasamudram covers 387.42 ha area. Pincode of Rayasamudram is 605702.