Baswaria is a village in Lauriya tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Baswaria was 6,637 which includes 3,450 males and 3,187 females. Baswaria covers 402.7 ha area. Pincode of Baswaria is 845103.