Raghunathpur is a village in Barhampur tehsil in district of Buxar, Bihar, India. As per the data provided by Census of India in 2011, total population of Raghunathpur was 11,857 which includes 6,215 males and 5,642 females. Raghunathpur covers 563.8 ha area. Pincode of Raghunathpur is 802134.