Corydon is located in Wayne county Iowa with a geographic area of 1.3 square miles. The total population in Corydon is 1,659 with 46.3% male and 53.7% female. Children under age 5 represent 7.7% of the population, under age 18 equal 26.0% of the population and over age 65 is 22.6% of the population. The median household income is $46,316, per capita income is $22,326. There are a total of 654 housing units with 68.0% owner occupied. Education includes 39.8% of residents that are high school graduates and 16.2% with a bachelor's degree or higher. The average temperature in Corydon in the summer is 73 degrees, and in the winter 23 degrees.