Bahuarwa is a village in Mainatanr tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Bahuarwa was 1,110 which includes 565 males and 545 females. Bahuarwa covers 226.3 ha area. Pincode of Bahuarwa is 845306.