Singthu Langso is a village in Phuloni tehsil in district of Karbi Anglong, Assam, India. As per the data provided by Census of India in 2011, total population of Singthu Langso was 266 which includes 143 males and 123 females. Singthu Langso covers 186 ha area. Pincode of Singthu Langso is 782441.