Austin is located in Scott county Indiana with a geographic area of 2.7 square miles. The total population in Austin is 3,854 with 45.5% male and 54.5% female. Children under age 5 represent 7.1% of the population, under age 18 equal 18.3% of the population and over age 65 is 13.4% of the population. The median household income is $26,206, per capita income is $16,011. There are a total of 1,679 housing units with 52.8% owner occupied. Education includes 38.2% of residents that are high school graduates and 12.9% with a bachelor's degree or higher. The average temperature in Austin in the summer is 74 degrees, and in the winter 29 degrees.