 Based on the 2007 national census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 136,545, an increase of 16.69% over the 1994 census, of whom 67,929 are men and 68,616 women; 7,640 or 5.60% are urban inhabitants.With an area of 1,422.15 square kilometers, Kelala has a population density of 96.01, which is less than the Zone average of 147.58 persons per square kilometer.A total of 32,815 households were counted in this woreda, resulting in an average of 4.16 persons to a household, and 31,497 housing units.