Banwaria is a village in Narkatiaganj tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Banwaria was 2,230 which includes 1,179 males and 1,051 females. Banwaria covers 113.2 ha area. Pincode of Banwaria is 845455.