Kathbarari is a village in Karma Tanr Vidyasagar tehsil in district of Jamtara, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kathbarari was 1,035 which includes 529 males and 506 females. Kathbarari covers 146 ha area. Pincode of Kathbarari is 815351.