Columbus junction is located in Louisa county Iowa with a geographic area of 2.1 square miles. The total population in Columbus junction is 2,260 with 54.6% male and 45.4% female. Children under age 5 represent 11.5% of the population, under age 18 equal 28.7% of the population and over age 65 is 16.5% of the population. The median household income is $53,188, per capita income is $23,235. There are a total of 857 housing units with 69.2% owner occupied. Education includes 29.5% of residents that are high school graduates and 16.3% with a bachelor's degree or higher. The average temperature in Columbus junction in the summer is 73 degrees, and in the winter 23 degrees.
