Monticello is located in Jones county Iowa with a geographic area of 5.5 square miles. The total population in Monticello is 3,843 with 48.4% male and 51.6% female. Children under age 5 represent 8.6% of the population, under age 18 equal 25.4% of the population and over age 65 is 20.5% of the population. The median household income is $51,076, per capita income is $30,606. There are a total of 1,705 housing units with 69.3% owner occupied. Education includes 37.2% of residents that are high school graduates and 26.8% with a bachelor's degree or higher. The average temperature in Monticello in the summer is 70 degrees, and in the winter 23 degrees.
