Naharjun Gaon is a village in Jonai tehsil in district of Dhemaji, Assam, India. As per the data provided by Census of India in 2011, total population of Naharjun Gaon was 352 which includes 193 males and 159 females. Naharjun Gaon covers 40 ha area. Pincode of Naharjun Gaon is 787060.