Eustis is located in Franklin county Maine with a geographic area of square miles. The total population in Eustis is 481 with 54.9% male and 45.1% female. Children under age 5 represent 6.7% of the population, under age 18 equal 29.1% of the population and over age 65 is 24.9% of the population. The median household income is $26,217, per capita income is $20,864. There are a total of 239 housing units with 55.6% owner occupied. Education includes 21.8% of residents that are high school graduates and 14.2% with a bachelor's degree or higher. The average temperature in Eustis in the summer is 68 degrees, and in the winter 25 degrees.