 Based on figures published by the Central Statistical Agency in 2005, Berehna Aleltu had an estimated total population of 170,360, of whom 85,341 were men and 85,019 were women; 17,362 or 10.19% of its population were urban dwellers, which is greater than the Zone average of 9.5%.With an estimated area of 1,325.79 square kilometers, Berehna Aleltu had an estimated population density of 128.5 people per square kilometer, which is less than the Zone average of 143.The 1994 national census reported a total population for this woreda of 121,081, of whom 60,680 were men and 60,401 women; 9,718 or 8.03% of its population were urban dwellers at the time.