 Approximately 89 @.@ 5 percent of residents over the age of five spoke English at home , according to the 2007 – 2011 American Community Survey . It was then estimated that 889 people , comprising 18 @.@ 5 percent of local inhabitants have German ancestry — the largest ethnicity in Omak — and 15 @.@ 3 percent have Irish ancestry . The Omak area has a relatively high percentage of people of American Indian and Mexican ancestries ; there were over 80 American Indians and over 535 Mexican immigrants , with a combined percentage of 28 percent of residents . Conversely , the city has a small Asian population , making up less than one percent of <unk> . The 2010 census showed that approximately 35 percent of residents lived alone , most of whom were female . Those over the age of 65 comprised about 16 percent of the population . There have been several efforts to provide service to the homeless people of Omak , although official population figures have not been released . 
