Smithfield is located in Henry county Kentucky with a geographic area of 0.1 square miles. The total population in Smithfield is 213 with 56.8% male and 43.2% female. Children under age 5 represent 7.5% of the population, under age 18 equal 16.4% of the population and over age 65 is 7.5% of the population. The median household income is $40,179, per capita income is $17,285. There are a total of 74 housing units with 27.0% owner occupied. Education includes 67.6% of residents that are high school graduates and 2.7% with a bachelor's degree or higher. The average temperature in Smithfield in the summer is 76 degrees, and in the winter 36 degrees.
