Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this Zone has a total population of 312,713, of whom 177,919 are men and 134,794 women. While 47,607 or 20% are urban inhabitants, a further 265,106 or 80% were pastoralists. The largest ethnic group reported in Korahe were the Somalis (99.98%); all other ethnic groups made up 0.02% of the population. Somali language is spoken as a first language by 99.98%; the remaining 0.02% spoke all other primary languages reported. 98.92% of the population said they were Muslim.