Manja 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 Manja Gaon was 151 which includes 78 males and 73 females. Manja Gaon covers 10 ha area. Pincode of Manja Gaon is 782461.