Mandagappadi 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 Mandagappadi was 2,069 which includes 1,065 males and 1,004 females. Mandagappadi covers 344.31 ha area. Pincode of Mandagappadi is 606205.