 This was considered the largest number of civilian casualties in single incident since the December 2003 killings in Gambela.Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 8,001, of whom 4,568 are men and 3,433 women; with an area of 7,762.43 square kilometers, Dimma has a population density of 1.03, which is less than the Zone average of 4.83 persons per square kilometer.Reportedly 2,103 or 26.28% are urban inhabitants.