Rampur Ratan is a village in Minapur tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Rampur Ratan was 1,384 which includes 751 males and 633 females. Rampur Ratan covers 133 ha area. Pincode of Rampur Ratan is 843128.