Udaypur Bitthwar is a village in Pandaul tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Udaypur Bitthwar was 12,347 which includes 6,512 males and 5,835 females. Udaypur Bitthwar covers 655.63 ha area. Pincode of Udaypur Bitthwar is 847233.