Arlong Sarlong 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 Arlong Sarlong was 154 which includes 76 males and 78 females. Arlong Sarlong covers 40 ha area. Pincode of Arlong Sarlong is 782450.