Likewise, service sector is beneficiary from this industry after its accomplishment. Arjo, has served as a capital of the area for more than 130 years. Dano Bera, the local leader (Moti) of the area had been administering the Area (Leqa Dulacha in her earlier name) making Arjo as his center. Hence, she had been among few urban center's of West Oromia. Neftegna Rulers like Ras Mekonnen Demissew had also occupied and ruled the area for longer times considering the town as a strategic for war. The 2007 national census reported a total population for this woreda of 86,329, of whom 42,093 were men and 44,236 were women; 9,172 or 10.63% of its population are urban dwellers. The majority of the inhabitants observed Protestantism, with 48.85% reporting that as their religion, while 45% observed Ethiopian Orthodox Christianity, and 5.59% were Moslem. Based on figures published by the Central Statistical Agency in 2005, this woreda has an estimated total population of 93,459, of whom 48,553 are men and 44,906 are women; 11,684 or 12.50% of its population are urban dwellers, which is greater than the Zone average of 13.9%. With an estimated area of 741.41 square kilometers, Jimma Arjo has an estimated population density of 126.1 people per square kilometer, which is greater than the Zone average of 81.4. The 1994 national census reported a total population for this woreda of 66,044, of whom 31,812 were men and 34,232 women; 6,539 or 9.9% of its population were urban dwellers at the time. The two largest ethnic groups reported in Jimma Arjo were the Oromo (97.24%), and the Amhara (2.48%); all other ethnic groups made up 0.28% of the population. Oromiffa was spoken as a first language by 99.48%. The majority of the inhabitants were Ethiopian Orthodox Christianity, with 81.57% of the population reporting they observed this belief, while 7.64% of the population said they were Protestant, 5.37% practiced traditional beliefs, and 5.23% were Moslem.