Bhadaur is a village in Jainagar tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Bhadaur was 2,890 which includes 1,526 males and 1,364 females. Bhadaur covers 223.3 ha area. Pincode of Bhadaur is 847226.