Champapur is a village in Ramgarhwa tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Champapur was 14,674 which includes 7,690 males and 6,984 females. Champapur covers 1432.7 ha area. Pincode of Champapur is N/A.