Allardt is located in Fentress county Tennessee with a geographic area of 3.8 square miles. The total population in Allardt is 992 with 46.9% male and 53.1% female. Children under age 5 represent 6.3% of the population, under age 18 equal 14.9% of the population and over age 65 is 16.9% of the population. The median household income is $67,188, per capita income is $27,204. There are a total of 339 housing units with 77.0% owner occupied. Education includes 27.7% of residents that are high school graduates and 26.0% with a bachelor's degree or higher. The average temperature in Allardt in the summer is 72 degrees, and in the winter 38 degrees.