Smithfield is located close to the center of Kentucky. Smithfield is between the Henry, Oldham, Shelby county. Smithfield has 0.14 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Smithfield population is 66, which has shrunk 35.29% since 2000. The population growth rate is much lower than the state average rate of 8.45% and is much lower than the national average rate of 11.61%. Smithfield median household income is $33,750 in 2010-2014 and has grown by 28.57% since 2000. The income growth rate is about the same as the state average rate of 28.72% and is about the same as the national average rate of 27.36%. Smithfield median house value is $95,000 in 2010-2014 and has grown by 38.08% since 2000. The house value growth rate is lower than the state average rate of 40.25% 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 close to the state average in quality. The Smithfield area code is 502.