99111 Zip Code
99111 zip code is located in east Washington. 99111 zip code is part of Whitman County. 99111 zip code has 288.52 square miles of land area and 2.70 square miles of water area. As of 2010-2014, the total 99111 zip code population is 4,226, which has grown 0.40% 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%. 99111 zip code median household income is $48,835 in 2010-2014 and has grown by 31.07% since 2000. The income growth rate is about the same as the state average rate of 31.72% and is higher than the national average rate of 27.36%. 99111 zip code median house value is $164,500 in 2010-2014 and has grown by 60.33% 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 99111 zip code is much better than the state average in quality. The 99111 zip code area code is 509.