Gajanpur Duwariya is a village in Musafirkhana tehsil in district of Sultanpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Gajanpur Duwariya was 5,703 which includes 2,971 males and 2,732 females. Gajanpur Duwariya covers 488.83 ha area. Pincode of Gajanpur Duwariya is 227813.