Dilawarpur is a village in Kalyanpur tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Dilawarpur was 8,489 which includes 4,426 males and 4,063 females. Dilawarpur covers 838.6 ha area. Pincode of Dilawarpur is N/A.