Isiolo is a regional capital in Kenya with a population of about 78,650.

Isiolo is a town in Isiolo County, of which it is the capital. It is located in the upper eastern region of Kenya and is geographically considered the center of the country Kenya. It lies 285 kilometers north of Nairobi. The town grew around the local military camps. Much of the population consists of Somali, Borana, and Ameru as well as minority groups including Turkana and Samburu. The town has an estimated population of 78,250, most of whom live on the outskirts of the town. There has been a steady increase in the urban population, especially from Moyale, Marsabit and Mandera. Isiolo is adjacent to Samburu and Shaba Game reserves. Isiolo lies along the long A2 Road, leading towards Marsabit and Moyale much further north.
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