Vashon is located in west Washington. Vashon is part of King County. Vashon has 36.92 square miles of land area and 43.88 square miles of water area. As of 2010-2014, the total Vashon population is 10,447, which has grown 3.20% since 2000. The population growth rate is much lower than the state average rate of 17.05% and is much lower than the national average rate of 11.61%. Vashon median household income is $72,568 in 2010-2014 and has grown by 24.56% since 2000. The income growth rate is lower than the state average rate of 31.72% and is lower than the national average rate of 27.36%. Vashon median house value is $395,500 in 2010-2014 and has grown by 47.24% since 2000. The house value growth rate is lower than the state average rate of 52.82% and is about the same as the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Vashon is much better than the state average in quality. The Vashon area code is 206.