Dunstable is located in Middlesex county Massachusetts with a geographic area of square miles. The total population in Dunstable is 3,374 with 51.7% male and 48.3% female. Children under age 5 represent 4.5% of the population, under age 18 equal 20.7% of the population and over age 65 is 15.6% of the population. The median household income is $158,523, per capita income is $58,598. There are a total of 1,155 housing units with 95.5% owner occupied. Education includes 13.8% of residents that are high school graduates and 55.9% with a bachelor's degree or higher. The average temperature in Dunstable in the summer is 70 degrees, and in the winter 30 degrees.