Baithalangso 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 Baithalangso was 1,987 which includes 1,005 males and 982 females. Baithalangso covers 198 ha area. Pincode of Baithalangso is 782450.