Ratnapur Mafi is a village in Biswan tehsil in district of Sitapur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Ratnapur Mafi was 474 which includes 266 males and 208 females. Ratnapur Mafi covers 77.88 ha area. Pincode of Ratnapur Mafi is N/A.