Hollow rock is located in Carroll county Tennessee with a geographic area of 1.7 square miles. The total population in Hollow rock is 812 with 53.2% male and 46.8% female. Children under age 5 represent 11.0% of the population, under age 18 equal 20.8% of the population and over age 65 is 18.7% of the population. The median household income is $32,025, per capita income is $21,139. There are a total of 369 housing units with 56.1% owner occupied. Education includes 50.9% of residents that are high school graduates and 6.5% with a bachelor's degree or higher. The average temperature in Hollow rock in the summer is 77 degrees, and in the winter 38 degrees.
