Limestone is located in Aroostook county Maine with a geographic area of 2.6 square miles. The total population in Limestone is 1,527 with 50.9% male and 49.1% female. Children under age 5 represent 5.7% of the population, under age 18 equal 32.9% of the population and over age 65 is 13.0% of the population. The median household income is $31,897, per capita income is $15,274. There are a total of 476 housing units with 64.3% owner occupied. Education includes 33.0% of residents that are high school graduates and 15.3% with a bachelor's degree or higher. The average temperature in Limestone in the summer is 68 degrees, and in the winter 25 degrees.