Mahadevapuram is a village in Pattukkottai tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Mahadevapuram was 439 which includes 208 males and 231 females. Mahadevapuram covers 308.83 ha area. Pincode of Mahadevapuram is 614901.