From a total population of 40,179, Sammamish has a median age of 37.8. The average age of males, in Sammamish, is 38.3 while the average age of females is 37.5. When you compare this to median age of Washington, Sammamish is 0.4 years older.
The median income of individuals, in Sammamish, is $56,662 while the average household income is $144,775. When comparing the median income of people living in Sammamish to the rest of Washington, the average income in Sammamish is $25,429 more.