Rahiar Kunchi is a village in Shivaji Nagar tehsil in district of Samastipur, Bihar, India. As per the data provided by Census of India in 2011, total population of Rahiar Kunchi was 11,496 which includes 6,038 males and 5,458 females. Rahiar Kunchi covers 724 ha area. Pincode of Rahiar Kunchi is N/A.