Karhans Ratanpur is a village in Jale tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Karhans Ratanpur was 273 which includes 137 males and 136 females. Karhans Ratanpur covers 6 ha area. Pincode of Karhans Ratanpur is 847307.