Chattanooga is located in Hamilton county Tennessee with a geographic area of 142.4 square miles. The total population in Chattanooga is 181,370 with 47.0% male and 53.0% female. Children under age 5 represent 6.2% of the population, under age 18 equal 19.8% of the population and over age 65 is 16.6% of the population. The median household income is $47,165, per capita income is $32,241. There are a total of 77,179 housing units with 52.8% owner occupied. Education includes 24.8% of residents that are high school graduates and 33.0% with a bachelor's degree or higher. The average temperature in Chattanooga in the summer is 78 degrees, and in the winter 38 degrees.
