Westborough is located in Worcester county Massachusetts with a geographic area of 1.9 square miles. The total population in Westborough is 4,024 with 50.4% male and 49.6% female. Children under age 5 represent 7.1% of the population, under age 18 equal 22.8% of the population and over age 65 is 13.7% of the population. The median household income is $83,929, per capita income is $49,348. There are a total of 1,704 housing units with 51.2% owner occupied. Education includes 20.0% of residents that are high school graduates and 53.7% with a bachelor's degree or higher. The average temperature in Westborough in the summer is 70 degrees, and in the winter 30 degrees.