Kumhiatanr is a village in Katkamsandi tehsil in district of Hazaribagh, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kumhiatanr was 18 which includes 12 males and 6 females. Kumhiatanr covers 193.18 ha area. Pincode of Kumhiatanr is 825301.