Mercer Island, WA
Mercer Island is located in west Washington. Mercer Island is part of King County. Mercer Island has 6.32 square miles of land area and 6.79 square miles of water area. As of 2010-2014, the total Mercer Island population is 23,636, which has grown 7.26% since 2000. The population growth rate is much lower than the state average rate of 17.05% and is lower than the national average rate of 11.61%. Mercer Island median household income is $125,651 in 2010-2014 and has grown by 36.72% since 2000. The income growth rate is higher than the state average rate of 31.72% and is higher than the national average rate of 27.36%. Mercer Island median house value is $871,600 in 2010-2014 and has grown by 51.87% since 2000. The house value growth rate is about the same as the state average rate of 52.82% and is higher than 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 Mercer Island is much better than the state average in quality. The Mercer Island area code is 206.
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