Gangapur Banki is a village in Balrampur tehsil in district of Balrampur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Gangapur Banki was 2,137 which includes 1,160 males and 977 females. Gangapur Banki covers 293.57 ha area. Pincode of Gangapur Banki is 271201.