Rani Istamrar is a village in Jokihat tehsil in district of Araria, Bihar, India. As per the data provided by Census of India in 2011, total population of Rani Istamrar was 1,414 which includes 714 males and 700 females. Rani Istamrar covers 51 ha area. Pincode of Rani Istamrar is N/A.