Kaulapur is a village in Jogapatti tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Kaulapur was 4,865 which includes 2,618 males and 2,247 females. Kaulapur covers 301.1 ha area. Pincode of Kaulapur is N/A.