Kathalbari is a village in Udhwa tehsil in district of Sahibganj, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kathalbari was 3,195 which includes 1,613 males and 1,582 females. Kathalbari covers 55.12 ha area. Pincode of Kathalbari is 816101.