Upper Dillaji Adivashi Gaon 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 Upper Dillaji Adivashi Gaon was 257 which includes 143 males and 114 females. Upper Dillaji Adivashi Gaon covers 29 ha area. Pincode of Upper Dillaji Adivashi Gaon is 782460.