Unchdih is a village in Surajpur tehsil in district of Surguja, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Unchdih was 2,598 which includes 1,280 males and 1,318 females. Unchdih covers 717.57 ha area. Pincode of Unchdih is 497231.