sentences:  The majority of the inhabitants said they practiced traditional beliefs, with 67.73% of the population reporting they observed these beliefs, while 22.67% of the population were Muslim, 6.82% were Protestant and 2.62% practiced Ethiopian Orthodox Christianity.Based on figures published by the Central Statistical Agency in 2005, this woreda has an estimated total population of 44,020, of whom 21,679 are men and 22,341 are women; 7,338 or 16.67% of its population are urban dwellers, which is greater than the Zone average of 11.6%.With an estimated area of 10,841.88 square kilometers, Arero has an estimated population density of 4.1 people per square kilometer, which is less than the Zone average of 21.1.