Bhawanipur Istamrar is a village in Bhawanipur tehsil in district of Purnia, Bihar, India. As per the data provided by Census of India in 2011, total population of Bhawanipur Istamrar was 412 which includes 192 males and 220 females. Bhawanipur Istamrar covers 16 ha area. Pincode of Bhawanipur Istamrar is 854204.