Lachhminia is a village in Chhatapur tehsil in district of Supaul, Bihar, India. As per the data provided by Census of India in 2011, total population of Lachhminia was 8,805 which includes 4,527 males and 4,278 females. Lachhminia covers 841 ha area. Pincode of Lachhminia is 854339.