Ramgawan Biku 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 Biku was 1,194 which includes 612 males and 582 females. Ramgawan Biku covers 47 ha area. Pincode of Ramgawan Biku is 848502.