Kamahar Dih is a village in Robertsganj tehsil in district of Sonbhadra, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kamahar Dih was 1,690 which includes 885 males and 805 females. Kamahar Dih covers 262.49 ha area. Pincode of Kamahar Dih is N/A.