Hariharpur is a village in Maharajganj tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Hariharpur was 3,765 which includes 1,910 males and 1,855 females. Hariharpur covers 388.03 ha area. Pincode of Hariharpur is N/A.