Kairasaul is a village in Kathikund tehsil in district of Dumka, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kairasaul was 234 which includes 121 males and 113 females. Kairasaul covers 181.08 ha area. Pincode of Kairasaul is 814103.