Rajan Nagar is a village in Sathyamangalam tehsil in district of Erode, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Rajan Nagar was 5,599 which includes 2,785 males and 2,814 females. Rajan Nagar covers 1646.07 ha area. Pincode of Rajan Nagar is 638451.