Kirwil is a village in Dudhi tehsil in district of Sonbhadra, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kirwil was 5,176 which includes 2,714 males and 2,462 females. Kirwil covers 205.25 ha area. Pincode of Kirwil is 231202.