The majority ethnic group in the zone is the Gumuz people, with significant Oromo and Amhara minorities as well.
Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this Zone has a total population of 101,543, of whom 52,284 are men and 49,259 women.
[1] Based on figures from the Central Statistical Agency in 2005, this zone has an estimated total population of 67,361, of whom 34,150 are men and 33,211 are women.
The 1994 national census reported a total population for this Zone of 50,783 in 9,963 households, of whom 25,862 were men and 24,921 were women.
3.6% of all houses had access to safe drinking water, and 2.4% had toilet facilities at the time of the census.