Rasalpur is a village in Banma Itahri tehsil in district of Saharsa, Bihar, India. As per the data provided by Census of India in 2011, total population of Rasalpur was 5,775 which includes 3,058 males and 2,717 females. Rasalpur covers 481.6 ha area. Pincode of Rasalpur is 852129.