Kamarhi 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 Kamarhi was 2,987 which includes 1,575 males and 1,412 females. Kamarhi covers 112.7 ha area. Pincode of Kamarhi is N/A.