From a total population of 9,704, Sumner has a median age of 37.3. The average age of males, in Sumner, is 38.7 while the average age of females is 34.8. When you compare this to median age of Washington, Sumner is 0.1 years younger.
The median income of individuals, in Sumner, is $28,097 while the average household income is $52,275. When comparing the median income of people living in Sumner to the rest of Washington, the average income in Sumner is $3,136 less.