Mahdeo is a village in Khalilabad tehsil in district of Sant Kabir Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahdeo was 3,057 which includes 1,549 males and 1,508 females. Mahdeo covers 189.1 ha area. Pincode of Mahdeo is 272002.