Radharamannagar is a village in Manendragarh tehsil in district of Koriya, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Radharamannagar was 266 which includes 135 males and 131 females. Radharamannagar covers 175.39 ha area. Pincode of Radharamannagar is 497335.