Marjong Lalung 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 Marjong Lalung was 778 which includes 409 males and 369 females. Marjong Lalung covers 163 ha area. Pincode of Marjong Lalung is 782413.