Raghunathpur is a village in Raghunathpur tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Raghunathpur was 10,458 which includes 5,353 males and 5,105 females. Raghunathpur covers 339 ha area. Pincode of Raghunathpur is N/A.