Mahadev Gajpur is a village in Itwa tehsil in district of Siddharthnagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahadev Gajpur was 1,518 which includes 765 males and 753 females. Mahadev Gajpur covers 334.47 ha area. Pincode of Mahadev Gajpur is N/A.