Dharmdashpur 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 Dharmdashpur was 1,879 which includes 984 males and 895 females. Dharmdashpur covers 257.32 ha area. Pincode of Dharmdashpur is N/A.