Based on the 2007 national census conducted by the
Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 93,763, a decrease of 12.36% from the 1994 census, of whom 47,907 are men and 45,856 women; 10,391 or 11.08% are urban inhabitants. With an area of 1,685.16 square kilometers, Addi Arkay has a population density of 55.64, which is less than the Zone average of 63.76 persons per square kilometer. A total of 20,203 households were counted in this woreda, resulting in an average of 4.64 persons to a household, and 19,229 housing units. The majority of the inhabitants practiced
Ethiopian Orthodox Christianity, with 89.5% reporting that as their religion, while 10.5% of the population said they were
Muslim. The 1994 national census reported a total population for this woreda of 106,983 in 21,175 households, of whom 54,196 were men and 52,787 women; 7,044 or 6.58% of its population were urban dwellers at the time. The two largest ethnic groups reported in Addi Arkay were the
Amhara (97.63%), and the
Tigrayan (2.1%); all other ethnic groups made up 0.27% of the population.
Amharic was spoken as a first language by 98.02%, and 1.8% spoke
Tigrinya; the remaining 0.18% spoke all other primary languages reported. The majority of the inhabitants practiced
Ethiopian Orthodox Christianity, with 93.8% reporting that as their religion, while 5.94% of the population said they were
Muslim. ==Agriculture==