99338 Zip Code
99338 zip code is located in southeast Washington. 99338 zip code is part of Benton County. 99338 zip code has 66.38 square miles of land area and has no water area. As of 2010-2014, the total 99338 zip code population is 12,914, which has grown 69.61% 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%. 99338 zip code median household income is $93,475 in 2010-2014 and has grown by 28.66% since 2000. The income growth rate is lower than the state average rate of 31.72% and is about the same as the national average rate of 27.36%. 99338 zip code median house value is $261,500 in 2010-2014 and has grown by 60.13% since 2000. The house value growth rate is higher than 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 99338 zip code is better than the state average in quality. The 99338 zip code area code is 509.