Nahri Jagarnathpur is a village in Madhepur tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Nahri Jagarnathpur was 449 which includes 235 males and 214 females. Nahri Jagarnathpur covers 55.2 ha area. Pincode of Nahri Jagarnathpur is N/A.