Dumri Baiju is a village in Patahi tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Dumri Baiju was 1,820 which includes 922 males and 898 females. Dumri Baiju covers 228.6 ha area. Pincode of Dumri Baiju is 845457.