Mars hill is located in Aroostook county Maine with a geographic area of 2.1 square miles. The total population in Mars hill is 903 with 41.6% male and 58.4% female. Children under age 5 represent 11.4% of the population, under age 18 equal 24.7% of the population and over age 65 is 17.3% of the population. The median household income is $45,263, per capita income is $20,845. There are a total of 328 housing units with 64.6% owner occupied. Education includes 35.1% of residents that are high school graduates and 8.5% with a bachelor's degree or higher. The average temperature in Mars hill in the summer is 68 degrees, and in the winter 25 degrees.