Smithfield is located in north Utah. Smithfield is part of Cache County. Smithfield has 4.98 square miles of land area and has no water area. As of 2010-2014, the total Smithfield population is 10,233, which has grown 40.93% since 2000. The population growth rate is much higher than the state average rate of 27.98% and is much higher than the national average rate of 11.61%. Smithfield median household income is $57,697 in 2010-2014 and has grown by 20.84% since 2000. The income growth rate is lower than the state average rate of 30.88% and is lower than the national average rate of 27.36%. Smithfield median house value is $189,500 in 2010-2014 and has grown by 44.22% since 2000. The house value growth rate is about the same as the state average rate of 45.45% 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 Smithfield is much better than the state average in quality. The Smithfield area code is 435.