Patahi Jadu 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 Patahi Jadu was 10,040 which includes 5,208 males and 4,832 females. Patahi Jadu covers 989.85 ha area. Pincode of Patahi Jadu is 845457.