From a total population of 63,216, Kennewick has a median age of 32.9. The average age of males, in Kennewick, is 31.6 while the average age of females is 34.5. When you compare this to median age of Washington, Kennewick is 4.5 years younger.
The median income of individuals, in Kennewick, is $25,088 while the average household income is $51,739. When comparing the median income of people living in Kennewick to the rest of Washington, the average income in Kennewick is $6,145 less.