Somali was the working language and is predominantly spoken within the Region, spoken by 95.9% of the inhabitants. Other major languages included Oromo (2.24%), Amharic (0.92%), and Gurage (0.033%). 98.7% of the population were Muslim, 0.9% Orthodox Christian, and 0.3% are followers of other religions.
Somali Americans are Americans of Somali ancestry. The first ethnic Somalis to arrive in the U.S. were sailors who came in the 1920s from British Somaliland.They were followed by students pursuing higher studies in the 1960s and 1970s, by the late 1970s through the late 1980s and early 1990s more Somalis arrived.