Watertown is located in Wilson county Tennessee with a geographic area of 1.4 square miles. The total population in Watertown is 1,698 with 43.1% male and 56.9% female. Children under age 5 represent 8.5% of the population, under age 18 equal 25.9% of the population and over age 65 is 15.7% of the population. The median household income is $47,112, per capita income is $20,771. There are a total of 659 housing units with 65.1% owner occupied. Education includes 39.9% of residents that are high school graduates and 8.2% with a bachelor's degree or higher. The average temperature in Watertown in the summer is 77 degrees, and in the winter 38 degrees.