Mohnag is a village in Campierganj tehsil in district of Gorakhpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mohnag was 3,216 which includes 1,720 males and 1,496 females. Mohnag covers 197.73 ha area. Pincode of Mohnag is 273158.