From a total population of 259,330, Thurston County has a median age of 38.4. The average age of males, in Thurston County, is 37 while the average age of females is 39.8. When you compare this to median age of Washington, Thurston County is 1.0 year older.
The median income of individuals, in Thurston County, is $29,909 while the average household income is $62,286. When comparing the median income of people living in Thurston County to the rest of Washington, the average income in Thurston County is $1,324 less.