Mahadeo is a village in Tarabganj tehsil in district of Gonda, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahadeo was 2,133 which includes 1,112 males and 1,021 females. Mahadeo covers 211.55 ha area. Pincode of Mahadeo is 271401.