Fall branch is located in Washington county Tennessee with a geographic area of 4.5 square miles. The total population in Fall branch is 1,180 with 65.9% male and 34.1% female. Children under age 5 represent 1.0% of the population, under age 18 equal 12.9% of the population and over age 65 is 22.5% of the population. The median household income is $41,250, per capita income is $35,842. There are a total of 475 housing units with 83.2% owner occupied. Education includes 40.2% of residents that are high school graduates and 17.1% with a bachelor's degree or higher. The average temperature in Fall branch in the summer is 77 degrees, and in the winter 38 degrees.