Samaul Shahpur is a village in Runisaidpur tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Samaul Shahpur was 2,139 which includes 1,125 males and 1,014 females. Samaul Shahpur covers 78 ha area. Pincode of Samaul Shahpur is 843117.