Dewari Dachhin is a village in Lalganj tehsil in district of Mirzapur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Dewari Dachhin was 359 which includes 189 males and 170 females. Dewari Dachhin covers 22.22 ha area. Pincode of Dewari Dachhin is 231211.