Rajagiri 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 Rajagiri was 2,247 which includes 1,107 males and 1,140 females. Rajagiri covers 162.44 ha area. Pincode of Rajagiri is 613104.