Aurora is located in Dearborn county Indiana with a geographic area of 3.3 square miles. The total population in Aurora is 3,948 with 47.8% male and 52.2% female. Children under age 5 represent 4.0% of the population, under age 18 equal 18.0% of the population and over age 65 is 11.2% of the population. The median household income is $36,676, per capita income is $21,119. There are a total of 1,656 housing units with 53.6% owner occupied. Education includes 43.1% of residents that are high school graduates and 14.6% with a bachelor's degree or higher. The average temperature in Aurora in the summer is 70 degrees, and in the winter 29 degrees.