Mangalpur Kalan is a village in Nautan tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Mangalpur Kalan was 3,688 which includes 1,980 males and 1,708 females. Mangalpur Kalan covers 145 ha area. Pincode of Mangalpur Kalan is N/A.