Mahinathpur is a village in Jhanjharpur tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahinathpur was 3,095 which includes 1,582 males and 1,513 females. Mahinathpur covers 251 ha area. Pincode of Mahinathpur is N/A.