Chhapainia is a village in Sikta tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Chhapainia was 1,262 which includes 656 males and 606 females. Chhapainia covers 298.98 ha area. Pincode of Chhapainia is 845307.