Unch Dih is a village in Koraon tehsil in district of Allahabad, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Unch Dih was 2,080 which includes 1,112 males and 968 females. Unch Dih covers 1301.61 ha area. Pincode of Unch Dih is N/A.