Hmar Gaon is a village in Diphu tehsil in district of Karbi Anglong, Assam, India. As per the data provided by Census of India in 2011, total population of Hmar Gaon was 84 which includes 40 males and 44 females. Hmar Gaon covers 30 ha area. Pincode of Hmar Gaon is 782460.