Washington county is located in east Tennessee. Washington county has 326.46 square miles of land area and 3.33 square miles of water area. As of 2010, the total Washington county population is 122,979, which has grown 14.72% since 2000. The population growth rate is higher than the state average rate of 11.54% and is much higher than the national average rate of 9.71%. Washington county median household income is $41,256 in 2006-2010 and has grown by 24.58% since 2000. The income growth rate is much higher than the state average rate of 14.03% and is higher than the national average rate of 19.17%. Washington county median house value is $136,700 in 2006-2010 and has grown by 41.37% since 2000. The house value growth rate is lower than the state average rate of 49.46% and is lower than the national average rate of 50.42%. 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 Washington county is much better than the state average in quality. The Washington county area code is 423.
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