Kosmarra is a village in Kurud tehsil in district of Dhamtari, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Kosmarra was 3,040 which includes 1,527 males and 1,513 females. Kosmarra covers 799.42 ha area. Pincode of Kosmarra is 493770.