Rajapur Kasrawan is a village in Gauriganj tehsil in district of Sultanpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Rajapur Kasrawan was 613 which includes 291 males and 322 females. Rajapur Kasrawan covers 126.61 ha area. Pincode of Rajapur Kasrawan is 227815.