Altamont is located in Grundy county Tennessee with a geographic area of 20.6 square miles. The total population in Altamont is 998 with 52.8% male and 47.2% female. Children under age 5 represent 7.3% of the population, under age 18 equal 22.9% of the population and over age 65 is 23.8% of the population. The median household income is $33,405, per capita income is $23,047. There are a total of 363 housing units with 89.5% owner occupied. Education includes 46.0% of residents that are high school graduates and 3.0% with a bachelor's degree or higher. The average temperature in Altamont in the summer is 77 degrees, and in the winter 38 degrees.