Langang Tokbi 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 Langang Tokbi was 117 which includes 60 males and 57 females. Langang Tokbi covers 116 ha area. Pincode of Langang Tokbi is 782450.