Hirapakar is a village in Chanpatia tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Hirapakar was 2,897 which includes 1,507 males and 1,390 females. Hirapakar covers 129 ha area. Pincode of Hirapakar is 845450.