Mahadewa is a village in Ghanghata tehsil in district of Sant Kabir Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahadewa was 1,090 which includes 577 males and 513 females. Mahadewa covers 53.52 ha area. Pincode of Mahadewa is N/A.