Rampur Dayal is a village in Bandra tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Rampur Dayal was 5,615 which includes 2,902 males and 2,713 females. Rampur Dayal covers 371.9 ha area. Pincode of Rampur Dayal is 843115.