Mahinath Nagar is a village in Beldaur tehsil in district of Khagaria, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahinath Nagar was 6,533 which includes 3,473 males and 3,060 females. Mahinath Nagar covers 815 ha area. Pincode of Mahinath Nagar is 852161.