Dukedom is located in Weakley county Tennessee with a geographic area of 1.9 square miles. The total population in Dukedom is 123 with 49.6% male and 50.4% female. Children under age 5 represent 5.7% of the population, under age 18 equal 10.6% of the population and over age 65 is 38.2% of the population. The median household income is $46,944, per capita income is $24,491. There are a total of 58 housing units with 100.0% owner occupied. Education includes 44.8% of residents that are high school graduates and 20.7% with a bachelor's degree or higher. The average temperature in Dukedom in the summer is 77 degrees, and in the winter 38 degrees.