Mankong Seng is a village in Chongkham tehsil in district of Lohit, Arunachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Mankong Seng was 497 which includes 251 males and 246 females. Mankong Seng covers N/A area. Pincode of Mankong Seng is N/A.