Lawapur Mahnar is a village in Mahnar tehsil in district of Vaishali, Bihar, India. As per the data provided by Census of India in 2011, total population of Lawapur Mahnar was 7,032 which includes 3,607 males and 3,425 females. Lawapur Mahnar covers 106 ha area. Pincode of Lawapur Mahnar is N/A.