Raghunathpur is a village in Sugauli tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Raghunathpur was 2,134 which includes 1,142 males and 992 females. Raghunathpur covers 90 ha area. Pincode of Raghunathpur is 845456.