Loknathpur is a village in Motihari tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Loknathpur was 2,447 which includes 1,319 males and 1,128 females. Loknathpur covers 229 ha area. Pincode of Loknathpur is N/A.