Ratanpur is a village in Murarai I tehsil in district of Birbhum, West Bengal, India. As per the data provided by Census of India in 2011, total population of Ratanpur was 2,840 which includes 1,453 males and 1,387 females. Ratanpur covers 66.23 ha area. Pincode of Ratanpur is 731219.