From a total population of 41,705, Kittitas County has a median age of 32.7. The average age of males, in Kittitas County, is 31.6 while the average age of females is 33.5. When you compare this to median age of Washington, Kittitas County is 4.7 years younger.
The median income of individuals, in Kittitas County, is $23,754 while the average household income is $45,406. When comparing the median income of people living in Kittitas County to the rest of Washington, the average income in Kittitas County is $7,479 less.