Subhankarpur is a village in Kaluahi tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Subhankarpur was 6,772 which includes 3,468 males and 3,304 females. Subhankarpur covers 348.9 ha area. Pincode of Subhankarpur is N/A.