Rajapur is a village in Sirauli Gauspur tehsil in district of Bara Banki, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Rajapur was 1,001 which includes 538 males and 463 females. Rajapur covers 116.302 ha area. Pincode of Rajapur is 225305.