Lohsari is a village in Bochaha tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Lohsari was 2,471 which includes 1,319 males and 1,152 females. Lohsari covers 157 ha area. Pincode of Lohsari is 843103.