Raghunathpur is a village in Tribeniganj tehsil in district of Supaul, Bihar, India. As per the data provided by Census of India in 2011, total population of Raghunathpur was 4,537 which includes 2,421 males and 2,116 females. Raghunathpur covers 540 ha area. Pincode of Raghunathpur is 852214.