Mayfield is located close to the center of Utah. Mayfield is part of Sanpete County. Mayfield has 0.99 square miles of land area and has no water area. As of 2010-2014, the total Mayfield population is 391, which has shrunk 6.90% since 2000. The population growth rate is much lower than the state average rate of 27.98% and is much lower than the national average rate of 11.61%. Mayfield median household income is $64,375 in 2010-2014 and has grown by 55.12% since 2000. The income growth rate is much higher than the state average rate of 30.88% and is much higher than the national average rate of 27.36%. Mayfield median house value is $163,500 in 2010-2014 and has grown by 45.33% since 2000. The house value growth rate is about the same as the state average rate of 45.45% and is about the same as 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 Mayfield is much better than the state average in quality. The Mayfield area code is 435.