99328 Zip Code
99328 zip code is located in southeast Washington. 99328 zip code is part of Columbia County. 99328 zip code has 640.73 square miles of land area and 2.74 square miles of water area. As of 2010-2014, the total 99328 zip code population is 3,753, which has shrunk 1.39% 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%. 99328 zip code median household income is $39,481 in 2010-2014 and has grown by 22.88% since 2000. The income growth rate is lower than the state average rate of 31.72% and is lower than the national average rate of 27.36%. 99328 zip code median house value is $145,700 in 2010-2014 and has grown by 74.07% since 2000. The house value growth rate is higher than the state average rate of 52.82% and is much 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 99328 zip code is better than the state average in quality. The 99328 zip code area code is 509.