Smithton is located in Pettis county Missouri with a geographic area of 0.3 square miles. The total population in Smithton is 511 with 47.9% male and 52.1% female. Children under age 5 represent 7.6% of the population, under age 18 equal 28.4% of the population and over age 65 is 7.8% of the population. The median household income is $63,393, per capita income is $23,976. There are a total of 189 housing units with 80.4% owner occupied. Education includes 35.4% of residents that are high school graduates and 7.4% with a bachelor's degree or higher. The average temperature in Smithton in the summer is 77 degrees, and in the winter 32 degrees.
