Columbus is located in Bartholomew county Indiana with a geographic area of 28.1 square miles. The total population in Columbus is 48,820 with 49.7% male and 50.3% female. Children under age 5 represent 7.5% of the population, under age 18 equal 23.7% of the population and over age 65 is 15.1% of the population. The median household income is $67,387, per capita income is $34,375. There are a total of 19,466 housing units with 61.3% owner occupied. Education includes 23.1% of residents that are high school graduates and 44.0% with a bachelor's degree or higher. The average temperature in Columbus in the summer is 74 degrees, and in the winter 29 degrees.