Coggon is located in Linn county Iowa with a geographic area of 0.7 square miles. The total population in Coggon is 743 with 54.1% male and 45.9% female. Children under age 5 represent 5.9% of the population, under age 18 equal 20.9% of the population and over age 65 is 12.8% of the population. The median household income is $75,089, per capita income is $36,009. There are a total of 319 housing units with 85.3% owner occupied. Education includes 32.9% of residents that are high school graduates and 28.2% with a bachelor's degree or higher. The average temperature in Coggon in the summer is 70 degrees, and in the winter 23 degrees.
