30,186 women; 1,097 or 1.78% of its population were urban dwellers at the time. The two largest ethnic groups reported in Aseko were the Oromo (59.49%), and the Amhara (40.08%); all other ethnic groups made up 0.43% of the population. Oromiffa was spoken as a first language by 55.62%, and 44.35% spoke Amharic; the remaining 0.03% spoke all other primary languages reported. The majority of the inhabitants were Muslim, with 54.53% of the population having reported they practiced that belief, while 45.38% of the population said they professed Ethiopian Orthodox Christianity. Notes Districts of Oromia Region