Kathar Gaon is a village in Donka tehsil in district of Karbi Anglong, Assam, India. As per the data provided by Census of India in 2011, total population of Kathar Gaon was 176 which includes 89 males and 87 females. Kathar Gaon covers 2 ha area. Pincode of Kathar Gaon is 782448.