Ratanpura is a village in Hanumannagar tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Ratanpura was 3,749 which includes 1,991 males and 1,758 females. Ratanpura covers 87 ha area. Pincode of Ratanpura is N/A.