Hermiston is located in northeast Oregon. Hermiston is part of Umatilla County. Hermiston has 7.81 square miles of land area and has no water area. As of 2010-2014, the total Hermiston population is 17,031, which has grown 29.47% since 2000. The population growth rate is much higher than the state average rate of 14.00% and is much higher than the national average rate of 11.61%. Hermiston median household income is $46,655 in 2010-2014 and has grown by 31.97% since 2000. The income growth rate is higher than the state average rate of 23.47% and is higher than the national average rate of 27.36%. Hermiston median house value is $135,200 in 2010-2014 and has grown by 35.61% since 2000. The house value growth rate is much lower than the state average rate of 53.91% and is lower 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 Hermiston is close to the state average in quality. The Hermiston area code is 541.