Mansfield is located close to the center of Washington. Mansfield is part of Douglas County. Mansfield has 0.31 square miles of land area and has no water area. As of 2010-2014, the total Mansfield population is 319, which has shrunk 0.00% 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%. Mansfield median household income is $44,844 in 2010-2014 and has grown by 55.98% since 2000. The income growth rate is much higher than the state average rate of 31.72% and is much higher than the national average rate of 27.36%. Mansfield median house value is $98,300 in 2010-2014 and has grown by 54.80% since 2000. The house value growth rate is about the same as 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 Mansfield is close to the state average in quality. The Mansfield area code is 509.