Ratanpur is a village in Nichlaul tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Ratanpur was 2,352 which includes 1,230 males and 1,122 females. Ratanpur covers 156.4 ha area. Pincode of Ratanpur is 273153.