99320 Zip Code
99320 zip code is located in southeast Washington. 99320 zip code is part of Benton County. 99320 zip code has 138.86 square miles of land area and 1.10 square miles of water area. As of 2010-2014, the total 99320 zip code population is 8,791, which has grown 6.09% 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%. 99320 zip code median household income is $63,005 in 2010-2014 and has grown by 35.93% 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%. 99320 zip code median house value is $152,000 in 2010-2014 and has grown by 54.00% 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 99320 zip code is worse than the state average in quality. The 99320 zip code area code is 509.
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