Dera Arlok 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 Dera Arlok was 782 which includes 385 males and 397 females. Dera Arlok covers 50 ha area. Pincode of Dera Arlok is 782485.