Monticello is located in Aroostook county Maine with a geographic area of square miles. The total population in Monticello is 640 with 51.4% male and 48.6% female. Children under age 5 represent 1.1% of the population, under age 18 equal 9.1% of the population and over age 65 is 31.9% of the population. The median household income is $43,750, per capita income is $30,613. There are a total of 302 housing units with 82.8% owner occupied. Education includes 43.0% of residents that are high school graduates and 11.3% with a bachelor's degree or higher. The average temperature in Monticello in the summer is 68 degrees, and in the winter 25 degrees.
