Mahadewa is a village in Shohratgarh tehsil in district of Siddharth Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahadewa was 1,434 which includes 714 males and 720 females. Mahadewa covers 212.15 ha area. Pincode of Mahadewa is N/A.