Lachhminia is a village in Saur Bazar tehsil in district of Saharsa, Bihar, India. As per the data provided by Census of India in 2011, total population of Lachhminia was 3,987 which includes 2,081 males and 1,906 females. Lachhminia covers 284 ha area. Pincode of Lachhminia is N/A.