 According to the 2010 census , Omak had 4 @,@ 845 residents living in 2 @,@ 037 households , with 1 @,@ 412 @.@ 5 inhabitants per square mile ( 545 @.@ 4 / km2 ) . These residents created an average age of 38 — one year higher than that of the entire state . About 15 percent of residents were single and 13 percent were lone @-@ parent households . With 2 @,@ 168 housing units at an average density of 632 @.@ 1 inhabitants per square mile ( 244 @.@ 1 / km2 ) , the city 's populace consisted of 2 @,@ 540 females and 2 @,@ 305 males , giving it a gender balance close to national averages with 14 @.@ 8 percent male and 11 @.@ 9 percent female . The racial makeup was dominated by white people , with 71 percent of the population . Between the 2000 and 2010 censuses , Omak had an increase of 10 families to 1 @,@ 230 and a decrease of 21 lone @-@ parent families . Omak had an urbanized population of 8 @,@ 229 people , with 1 @,@ 737 inhabitants per square mile ( 670 @.@ 7 / km2 ) and around 20 percent of the county 's residents . The last complete census in 2000 found that the average household consisted of around two residents and the average family consisted of approximately three people . 
