 The southern part of this woreda was detached in summer 1994 to create Wegde woreda.Based on the 2007 national census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 158,209, an increase of 26.44% over the 1994 census, of whom 78,621 are men and 79,588 women; 8,709 or 5.50% are urban inhabitants.With an area of 1,027.61 square kilometers, Debre Sina has a population density of 153.96, which is greater than the Zone average of 147.58 persons per square kilometer.