Vashon is a city located in King County Washington. Vashon has a 2020 population of 10,291. Vashon is currently declining at a rate of 0.00% annually and its population has decreased by -3.13% since the most recent census, which recorded a population of 10,624 in 2010. Vashon reached it's highest population of 11,122 in 2013.
The average household income in Vashon is $115,678 with a poverty rate of 5.30%. The median rental costs in recent years comes to $1,126 per month, and the median house value is $524,200. The median age in Vashon is 54.2 years, 53.3 years for males, and 54.6 years for females.