St. agatha is located in Aroostook county Maine with a geographic area of square miles. The total population in St. agatha is 804 with 45.6% male and 54.4% female. Children under age 5 represent 3.5% of the population, under age 18 equal 9.8% of the population and over age 65 is 33.5% of the population. The median household income is $52,321, per capita income is $31,510. There are a total of 388 housing units with 80.7% owner occupied. Education includes 36.6% of residents that are high school graduates and 20.6% with a bachelor's degree or higher. The average temperature in St. agatha in the summer is 68 degrees, and in the winter 25 degrees.