 Based on figures published by the Central Statistical Agency in 2005, this woreda has an estimated total population of 412,938, of whom 201,965 are men and 210,973 are women; 37,296 or 9.03% of its population are urban dwellers, which is about the same as the Zone average of 9.6%.With an estimated area of 1,786.88 square kilometers, Chiro has an estimated population density of 231.1 people per square kilometer, which is greater than the Zone average of 101.8.The 1994 national census reported a total population for this woreda of 294,295, of whom 150,917 were men and 143,378 women; 20,842 or 7.08% of its population were urban dwellers at the time.