Ranganathapuram is a village in Thiruvaiyaru tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ranganathapuram was 572 which includes 308 males and 264 females. Ranganathapuram covers 73.09 ha area. Pincode of Ranganathapuram is 613104.