Raghunathpur is a village in Banmankhi tehsil in district of Purnia, Bihar, India. As per the data provided by Census of India in 2011, total population of Raghunathpur was 2,253 which includes 1,175 males and 1,078 females. Raghunathpur covers 355 ha area. Pincode of Raghunathpur is N/A.