Langtuk Rongpi is a village in Diphu tehsil in district of Karbi Anglong, Assam, India. As per the data provided by Census of India in 2011, total population of Langtuk Rongpi was 157 which includes 85 males and 72 females. Langtuk Rongpi covers 32 ha area. Pincode of Langtuk Rongpi is 782480.