Baijnathpur is a village in Tariani Chowk tehsil in district of Sheohar, Bihar, India. As per the data provided by Census of India in 2011, total population of Baijnathpur was 1,768 which includes 967 males and 801 females. Baijnathpur covers 109.26 ha area. Pincode of Baijnathpur is 843329.