Mount vernon is located in Linn county Iowa with a geographic area of 3.5 square miles. The total population in Mount vernon is 4,487 with 48.1% male and 51.9% female. Children under age 5 represent 3.6% of the population, under age 18 equal 23.7% of the population and over age 65 is 9.7% of the population. The median household income is $72,164, per capita income is $28,930. There are a total of 1,268 housing units with 71.1% owner occupied. Education includes 15.0% of residents that are high school graduates and 51.6% with a bachelor's degree or higher. The average temperature in Mount vernon in the summer is 73 degrees, and in the winter 23 degrees.
