Mangalpur is a village in Sidhaw tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Mangalpur was 4,248 which includes 2,188 males and 2,060 females. Mangalpur covers 262.2 ha area. Pincode of Mangalpur is N/A.