Fairfield is located in east Washington. Fairfield is part of Spokane County. Fairfield has 0.62 square miles of land area and has no water area. As of 2010-2014, the total Fairfield population is 457, which has shrunk 7.49% 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%. Fairfield median household income is $35,556 in 2010-2014 and has grown by 20.35% since 2000. The income growth rate is much lower than the state average rate of 31.72% and is lower than the national average rate of 27.36%. Fairfield median house value is $138,700 in 2010-2014 and has grown by 81.31% since 2000. The house value growth rate is much 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 Fairfield is better than the state average in quality. The Fairfield area code is 509.