Kamardiha 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 Kamardiha was 364 which includes 185 males and 179 females. Kamardiha covers 50.83 ha area. Pincode of Kamardiha is 815352.