Manohagwan is a village in Ramnagar tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Manohagwan was 2,463 which includes 1,304 males and 1,159 females. Manohagwan covers 318 ha area. Pincode of Manohagwan is 845106.