Mahadewa is a village in Mohammadabad tehsil in district of Ghazipur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahadewa was 2,280 which includes 1,161 males and 1,119 females. Mahadewa covers 151.38 ha area. Pincode of Mahadewa is N/A.