From a total population of 76,645, Umatilla County has a median age of 35.9. The average age of males, in Umatilla County, is 35.4 while the average age of females is 36.6. When you compare this to median age of Oregon, Umatilla County is 3.0 years younger.
The median income of individuals, in Umatilla County, is $20,887 while the average household income is $47,185. When comparing the median income of people living in Umatilla County to the rest of Oregon, the average income in Umatilla County is $6,286 less.