Spanaway is located in west Washington. Spanaway is part of Pierce County. Spanaway has 8.77 square miles of land area and 0.37 square miles of water area. As of 2010-2014, the total Spanaway population is 29,113, which has grown 34.86% since 2000. The population growth rate is much higher than the state average rate of 17.05% and is much higher than the national average rate of 11.61%. Spanaway median household income is $59,988 in 2010-2014 and has grown by 29.82% since 2000. The income growth rate is lower than the state average rate of 31.72% and is higher than the national average rate of 27.36%. Spanaway median house value is $185,900 in 2010-2014 and has grown by 40.09% since 2000. The house value growth rate is lower than the state average rate of 52.82% and is lower 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 Spanaway is worse than the state average in quality. The Spanaway area code is 253.