Jamestown is located in Fentress county Tennessee with a geographic area of 2.9 square miles. The total population in Jamestown is 2,145 with 45.1% male and 54.9% female. Children under age 5 represent 7.3% of the population, under age 18 equal 19.8% of the population and over age 65 is 18.0% of the population. The median household income is $17,051, per capita income is $12,994. There are a total of 958 housing units with 26.0% owner occupied. Education includes 59.7% of residents that are high school graduates and 4.6% with a bachelor's degree or higher. The average temperature in Jamestown in the summer is 77 degrees, and in the winter 38 degrees.