Monroe is located in Waldo county Maine with a geographic area of square miles. The total population in Monroe is 1,075 with 52.1% male and 47.9% female. Children under age 5 represent 2.7% of the population, under age 18 equal 22.6% of the population and over age 65 is 16.3% of the population. The median household income is $59,464, per capita income is $29,699. There are a total of 479 housing units with 86.0% owner occupied. Education includes 26.3% of residents that are high school graduates and 23.6% with a bachelor's degree or higher. The average temperature in Monroe in the summer is 68 degrees, and in the winter 25 degrees.