Ramgawan Mahathu is a village in Mohiuddinagar tehsil in district of Samastipur, Bihar, India. As per the data provided by Census of India in 2011, total population of Ramgawan Mahathu was 1,436 which includes 757 males and 679 females. Ramgawan Mahathu covers 33 ha area. Pincode of Ramgawan Mahathu is N/A.