Kadamtanr is a village in Kolebira tehsil in district of Simdega, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kadamtanr was 319 which includes 165 males and 154 females. Kadamtanr covers 293 ha area. Pincode of Kadamtanr is N/A.