Boxborough is located in Middlesex county Massachusetts with a geographic area of square miles. The total population in Boxborough is 5,677 with 48.2% male and 51.8% female. Children under age 5 represent 4.2% of the population, under age 18 equal 21.8% of the population and over age 65 is 10.3% of the population. The median household income is $126,597, per capita income is $62,208. There are a total of 2,259 housing units with 69.9% owner occupied. Education includes 6.9% of residents that are high school graduates and 71.5% with a bachelor's degree or higher. The average temperature in Boxborough in the summer is 70 degrees, and in the winter 30 degrees.