Surajpur 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 Surajpur was 5,045 which includes 2,601 males and 2,444 females. Surajpur covers 537.18 ha area. Pincode of Surajpur is 845307.